Surface of revolution

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A surface of revolution is a surface obtained by revolving a curve around a fixed axis. Surfaces of revolution have no volume, as they are completely hollow. An axis of revolution is the axis around which a function is revolved to obtain a surface or a solid of revolution.

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Surfaces Surfaces of revolution Sweep surfaces Parametric surfaces

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Surfaces Surfaces of revolution Sweep surfaces Parametric

D2 to the instrument. The operator at the instrument constantly observes the end D2 through the sight E as the other operator traces the kboundary of the area. Resistance to the pulling out of the wire may be had by checking its unreeling by they handle F, but such handle is primarily intended for winding up the wire on the drum D. When the boundary or outline of the surface being measured has been traced by the end D2, the area of the surface may be read from the vernier and the graduations on the disk A, which indication is brought about as follows: As the tape or wire D1 is unwound from drum D, it causes revolution of shaft W, which in turn, through gears H1 H2, (or other gearing used) causes revolution of cam C. The revolution of cam C, by reason of the reception Iof point N in groove C1, causes the carriage G to shift parallel to shaft V. Now, the operator at the instrument is moving the sight E as he follows with his eye the end D2 on the end of the wire D1 and as the sight E is moved, the spindle X is turned, which causes turning of the pinion C and thereby causes turning of the disk B. The revolution of the disk B or any movement thereof is communicated to the shaft T by the friction wheel M and by the friction wheel L to the disk A. It will

Surface of revolution as an analytical contact surface.

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Approximation of surfaces of revolution by developable surfaces

I.e., $h , then ${v_0} = {R_e}\sqrt {\dfrac{g}{{{R_e}}}} \approx \sqrt {g{R_e}} $${v_0} = \sqrt {9.8 \times 6.4 \times {{10}^6}} = 7.92 \times {10^3}m{s^{ - 1}} \approx 8km{s^{ - 1}}$The orbital speed of the satellite is independent of the mass of the satellite. The orbital speed of the satellite depends upon the mass and radius of the earth around which the revolution of the satellite is taking place.Time period of a satellite: It is the time taken by satellite to complete one revolution around the earth and it is given by$T = \dfrac{{2\pi r}}{{{v_0}}} = 2\pi \sqrt {\dfrac{{{r^3}}}{{G{M_e}}}} = 2\pi \sqrt {\dfrac{{{{\left( {{R_e} + h} \right)}^3}}}{{G{M_e}}}} = \dfrac{{2\pi }}{{{R_e}}}\sqrt {\dfrac{{{{\left( {{R_e} + h} \right)}^3}}}{g}} $For a satellite orbiting close to the earth’s surface i.e. $h $T = 2\pi \sqrt {\dfrac{{{R_e}}}{g}} = 84.6\min $.Kinetic energy of a satellite$K = \dfrac{1}{2}mv_0^2 = \dfrac{1}{2}\dfrac{{G{M_e}m}}{r} = \dfrac{1}{2}\dfrac{{G{M_e}m}}{{\left( {{R_e} + h} \right)}}$Potential energy of a satellite$U = - \dfrac{{G{M_e}m}}{r} = - \dfrac{{G{M_e}m}}{{{R_e} + h}}$Total energy (mechanical) of a satellite$E = K + U = - \dfrac{{G{M_e}m}}{{2r}} = - \dfrac{{G{M_e}m}}{{2\left( {{R_e} + h} \right)}}$For satellite orbiting very close to the surface i.e., $h then $E = - \dfrac{{G{M_e}m}}{{2{R_e}}}$ .Binding energy of a satellite${E_B} = - E = \dfrac{{G{M_e}m}}{{2r}} = \dfrac{{G{M_e}m}}{{2\left( {{R_e} + h} \right)}}$ Escape speed of a satellite is defined as the minimum speed which is required for a body to project itself from the surface of earth such that it escapes the earth’s gravitational field. Escape speed ${v_e}$ is given by${v_e} = \sqrt {\dfrac{{2GM}}{R}} $

Surface Area, Surfaces of Revolution - mathreference.com

By two parallel planes. Roundness or Circularity — All the points on a surface are in a circle. The tolerance is specified by a zone bounded by two concentric circles. Cylindricity — All the points of a surface of revolution are equidistant from a common axis. A cylindricity tolerance specifies a tolerance zone bounded by two concentric cylinders within which the surface must lie. Profile — A tolerancing method of controlling irregular surfaces, lines, arcs, or normal planes. Profiles can be applied to individual line elements or the entire surface of a part. The profile tolerance specifies a uniform boundary along the true profile within which the elements of the surface must lie. Angularity — The condition of a surface or axis at a specified angle (other than 90°) from a datum plane or axis. The tolerance zone is defined by two parallel planes at the specified basic angle from a datum plane or axis. Perpendicularity — The condition of a surface or axis at a right angle to a datum plane or axis. Perpendicularity tolerance specifies one of the following: a zone defined by two planes perpendicular to a datum plane or axis, or a zone defined by two parallel planes perpendicular to the datum axis. Parallelism — The condition of a surface or axis equidistant at all points from a datum plane or axis. Parallelism tolerance specifies one of the following: a zone defined by two planes or lines parallel to a datum plane or axis, or a

1.3: Surface area (surfaces of revolution)

H} \right)}}$The orbital speed of the satellite when it is revolving around the earth at height is given by${v_0} = \sqrt {\dfrac{{G{M_e}}}{r}} = \sqrt {\dfrac{{G{M_e}}}{{{R_e} + h}}} = {R_e}\sqrt {\dfrac{g}{{{R_e} + h}}} $$\left( {asg = \dfrac{{G{M_e}}}{{R_e^2}}} \right)$When the satellite is orbiting close to the earth’s surface i.e., $h , then ${v_0} = {R_e}\sqrt {\dfrac{g}{{{R_e}}}} \approx \sqrt {g{R_e}} $${v_0} = \sqrt {9.8 \times 6.4 \times {{10}^6}} = 7.92 \times {10^3}m{s^{ - 1}} \approx 8km{s^{ - 1}}$Time period of a satellite: It is the time taken by satellite to complete one revolution around the earth and it is given by$T = \dfrac{{2\pi r}}{{{v_0}}} = 2\pi \sqrt {\dfrac{{{r^3}}}{{G{M_e}}}} = 2\pi \sqrt {\dfrac{{{{\left( {{R_e} + h} \right)}^3}}}{{G{M_e}}}} = \dfrac{{2\pi }}{{{R_e}}}\sqrt {\dfrac{{{{\left( {{R_e} + h} \right)}^3}}}{g}} $For a satellite orbiting close to the earth’s surface i.e. $h $T = 2\pi \sqrt {\dfrac{{{R_e}}}{g}} = 84.6\min$Kinetic energy of a satellite$K = \dfrac{1}{2}mv_0^2 = \dfrac{1}{2}\dfrac{{G{M_e}m}}{r} = \dfrac{1}{2}\dfrac{{G{M_e}m}}{{\left( {{R_e} + h} \right)}}$Potential energy of a satellite$U = - \dfrac{{G{M_e}m}}{r} = - \dfrac{{G{M_e}m}}{{{R_e} + h}}$Total energy (mechanical) of a satellite$E = K + U = - \dfrac{{G{M_e}m}}{{2r}} = - \dfrac{{G{M_e}m}}{{2\left( {{R_e} + h} \right)}}$For satellite orbiting very close to the surface i.e., $h then $E = - \dfrac{{G{M_e}m}}{{2{R_e}}}$ .Binding energy of a satellite${E_B} = - E = \dfrac{{G{M_e}m}}{{2r}} = \dfrac{{G{M_e}m}}{{2\left( {{R_e} + h} \right)}}$ For a point close to the earth’s surface the escape speed and orbital speed are related as${v_e} = \sqrt 2 {v_0}$ Questions:1. At what height from the surface of earth the gravitational potential and the value. A surface of revolution is a surface obtained by revolving a curve around a fixed axis. Surfaces of revolution have no volume, as they are completely hollow. An axis of revolution is the axis around which a function is revolved to obtain a surface or a solid of revolution. A surface of revolution is a surface obtained by revolving a curve around a fixed axis. Surfaces of revolution have no volume, as they are completely hollow. An axis of revolution is the axis around which a function is revolved to obtain a surface or a solid of revolution.

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User4111

Featured manuals Air320 - Smart Air Purifier Manual SPOTCLEAN PRO 3624, 2458 Series Manual Proheat Essential 1887,1887T Manual ProHeat Advanced 1846 Series Deep Cleaner Manual Proheat 2X 1383 Series Deep Cleaner Manual EV675 - Robotic Vacuum Assembly Instructions CrossWave CORDLESS MAX 2765F - Multi-Surface Cleaner Series Manual Vac & Steam 1977N - Multi-Surface Cleaner Manual 3415, 34152, 3418, 3413 - SURFACESENSE Lift-Off Vacuum Cleaner Manual PROHEAT 2X REVOLUTION (1858F) Manual POWERFORCE HELIX TURBO REWIND, 1797 Series Manual CROSSWAVE PET PRO Manual BG9100NM Manual LITTLE GREEN PET PRO 3908 / 3909 Manual POWERFRESH 1544A Manual GrossWave OmniFind 3967 / 4004 Series Manual GrossWave OmniForce Edge 3930 / 3933 / 3934 Series Manual GrossWave OmniForce 3882 / 3883 Series Manual GrossWave 1785 / 2210 / 3238 / 3395 / 3888 Series Manual SprinWave 3764 / 3851 Series Manual SprinWave Hard Floor Expert 3831 Series Manual CrossWave HydroSteam 3515 / 3518 Series Manual CrossWave Pet 2328 / 2306 Series Manual CrossWave HF3 3649 Series Manual TirboClean 3548 Series Manual CrossWave X7, 3277 Series Manual CrossWave Cordless Max, 2554 Series Manual CrossWave Pet Pro, 2303 Series Manual PowerEase TotalFloors, 5200 / 2949 Series Manual VAC & Shine, 60P4 Series Manual Flip-Ease, 5288 Series Manual Symphony 1132 Series Manual Symphony Pet 1543 Series Manual PowerFresh Deluxe Plus / Deluxe Plus Pet, 1806 Series Manual PowerFresh Slim 2075 Series Manual TurboClean Pet XL 3738 / 3746, PowerForce Pet XL 3748 Manual Revolution Pet 3579 Series Manual Revolution Pet Pro 3588 / 3588F / 3589 Manual ProHeat 2X Revolution, 1548 / 1550 / 1551 Series Manual PowerForce Powerbrush Pet XL 3071 Manual PowerForce Pet Turbo XL 3896, TurboClean DualPro Pet 30673 Manual TurboClean DualPro Pet 3067 / 3072 Manual ProHeat Pet Turbo 1799V Manual StainPro 6 - Multi-Surface Cleaner 2009 Series Manual CrossWave 1785 Series - Multi-Surface Cleaner Manual PROHEAT 2X REVOLUTION PET 2457F Manual Steam Shot, 2994 / 39N7 Series Manual SpinWave SmartSteam, 3712 / 3897 Series Manual PowerFresh 2814 Series Manual SteamReady 1464 Series Manual Steam Mop 1867 Series Manual PowerEdge 2078 Series Manual Pawsitively Clean spiffy, 21H6P Series Manual Steam Mop Deluxe 31N1 Series Manual Steam Shot OMNI / OMNIREACH, 4171 Series Manual Steam Mop Max 21H6 Series Manual Lift-off Steam Mop 39W7 Series Manual Steam & Sweep pet, 46B4 / 92L2 Series Manual Steam Mop Select 80K6 Series Manual New manuals POWERCLEAN Multi-Cyclonic 1654 Series

2025-04-05
User7536

D2 to the instrument. The operator at the instrument constantly observes the end D2 through the sight E as the other operator traces the kboundary of the area. Resistance to the pulling out of the wire may be had by checking its unreeling by they handle F, but such handle is primarily intended for winding up the wire on the drum D. When the boundary or outline of the surface being measured has been traced by the end D2, the area of the surface may be read from the vernier and the graduations on the disk A, which indication is brought about as follows: As the tape or wire D1 is unwound from drum D, it causes revolution of shaft W, which in turn, through gears H1 H2, (or other gearing used) causes revolution of cam C. The revolution of cam C, by reason of the reception Iof point N in groove C1, causes the carriage G to shift parallel to shaft V. Now, the operator at the instrument is moving the sight E as he follows with his eye the end D2 on the end of the wire D1 and as the sight E is moved, the spindle X is turned, which causes turning of the pinion C and thereby causes turning of the disk B. The revolution of the disk B or any movement thereof is communicated to the shaft T by the friction wheel M and by the friction wheel L to the disk A. It will

2025-04-06
User4208

I.e., $h , then ${v_0} = {R_e}\sqrt {\dfrac{g}{{{R_e}}}} \approx \sqrt {g{R_e}} $${v_0} = \sqrt {9.8 \times 6.4 \times {{10}^6}} = 7.92 \times {10^3}m{s^{ - 1}} \approx 8km{s^{ - 1}}$The orbital speed of the satellite is independent of the mass of the satellite. The orbital speed of the satellite depends upon the mass and radius of the earth around which the revolution of the satellite is taking place.Time period of a satellite: It is the time taken by satellite to complete one revolution around the earth and it is given by$T = \dfrac{{2\pi r}}{{{v_0}}} = 2\pi \sqrt {\dfrac{{{r^3}}}{{G{M_e}}}} = 2\pi \sqrt {\dfrac{{{{\left( {{R_e} + h} \right)}^3}}}{{G{M_e}}}} = \dfrac{{2\pi }}{{{R_e}}}\sqrt {\dfrac{{{{\left( {{R_e} + h} \right)}^3}}}{g}} $For a satellite orbiting close to the earth’s surface i.e. $h $T = 2\pi \sqrt {\dfrac{{{R_e}}}{g}} = 84.6\min $.Kinetic energy of a satellite$K = \dfrac{1}{2}mv_0^2 = \dfrac{1}{2}\dfrac{{G{M_e}m}}{r} = \dfrac{1}{2}\dfrac{{G{M_e}m}}{{\left( {{R_e} + h} \right)}}$Potential energy of a satellite$U = - \dfrac{{G{M_e}m}}{r} = - \dfrac{{G{M_e}m}}{{{R_e} + h}}$Total energy (mechanical) of a satellite$E = K + U = - \dfrac{{G{M_e}m}}{{2r}} = - \dfrac{{G{M_e}m}}{{2\left( {{R_e} + h} \right)}}$For satellite orbiting very close to the surface i.e., $h then $E = - \dfrac{{G{M_e}m}}{{2{R_e}}}$ .Binding energy of a satellite${E_B} = - E = \dfrac{{G{M_e}m}}{{2r}} = \dfrac{{G{M_e}m}}{{2\left( {{R_e} + h} \right)}}$ Escape speed of a satellite is defined as the minimum speed which is required for a body to project itself from the surface of earth such that it escapes the earth’s gravitational field. Escape speed ${v_e}$ is given by${v_e} = \sqrt {\dfrac{{2GM}}{R}} $

2025-04-16
User8638

By two parallel planes. Roundness or Circularity — All the points on a surface are in a circle. The tolerance is specified by a zone bounded by two concentric circles. Cylindricity — All the points of a surface of revolution are equidistant from a common axis. A cylindricity tolerance specifies a tolerance zone bounded by two concentric cylinders within which the surface must lie. Profile — A tolerancing method of controlling irregular surfaces, lines, arcs, or normal planes. Profiles can be applied to individual line elements or the entire surface of a part. The profile tolerance specifies a uniform boundary along the true profile within which the elements of the surface must lie. Angularity — The condition of a surface or axis at a specified angle (other than 90°) from a datum plane or axis. The tolerance zone is defined by two parallel planes at the specified basic angle from a datum plane or axis. Perpendicularity — The condition of a surface or axis at a right angle to a datum plane or axis. Perpendicularity tolerance specifies one of the following: a zone defined by two planes perpendicular to a datum plane or axis, or a zone defined by two parallel planes perpendicular to the datum axis. Parallelism — The condition of a surface or axis equidistant at all points from a datum plane or axis. Parallelism tolerance specifies one of the following: a zone defined by two planes or lines parallel to a datum plane or axis, or a

2025-04-10
User5786

Are the disk and washer methods the only way to find the volume of a solid of revolution?Jenn, Founder Calcworkshop®, 15+ Years Experience (Licensed & Certified Teacher)Absolutely not!What Is The Shell MethodThe shell method, sometimes referred to as the method of cylindrical shells, is another technique commonly used to find the volume of a solid of revolution.So, the idea is that we will revolve cylinders about the axis of revolution rather than rings or disks, as previously done using the disk or washer methods.How does this work?Geometrically, we know that the surface area of a cylinder is found by multiplying the circumference of the circular base times the height of the cylinder.\begin{equation}S A=2 \pi r h\end{equation}But this well known formula from geometry doesn’t take into account the thickness of the cylinder that is created. This means that each cylinder that revolves around the axis has a thickness, w. So, if we let p represents the average radius, or the displacement from the axis of rotation, and the h represent the cylinder’s height or length, then the surface area of one cylinder is the product of the circumference times the height times the thickness.Surface Area Of Cylinder\begin{equation}S A=\underbrace{(\text { circumference })}_{2 \pi p} \underbrace{(\text { height })}_{h} \underbrace{(\text { thickness })}_{w}=2 \pi p h \Delta x\end{equation}And if we revolve an infinite number of cylinders, then the result is the volume of the solid. And we sum an infinite number of cylinders by\begin{equation}\lim _{n \rightarrow \infty} \sum_{i=1}^{n} 2 \pi(\text { radius })(\text { height })(\text { thickness })=\lim _{n \rightarrow \infty} \sum_{i=1}^{n} 2 \pi p h \Delta x\end{equation}Disk Method Vs Shell MethodAs the graphic below nicely illustrates, there is a considerable distinction between the disk method and the shell method.The Shell Method vs Disk Method (X-Axis)The Shell Method vs Disk Method (Y-Axis)For the disk/washer method, the slice is perpendicular to the axis of revolution, whereas, for the shell method, the slice is parallel to the axis of revolution.ExampleOkay, so let’s see the shell method in action to make sense of this new technique.Find the volume of the solid obtained by rotating about the x-axis the region bounded between\begin{equation}y=x^{2}, y=0, x=0, \text { and } x=4\end{equation}First, let’s graph the region and find all points of intersection.Find The Volume Of The Solid Generated By Revolving The Region BoundedNow, let’s calculate the volume using the disk (washer) method and the shell method, side by side,

2025-03-28
User8826

Cylindrical tolerance zone whose axis is parallel to a datum axis. Concentricity — The axes of all cross sectional elements of a surface of revolution are common to the axis of the datum feature. Concentricity tolerance specifies a cylindrical tolerance zone whose axis coincides with the datum axis. Position — A positional tolerance defines a zone in which the center axis or center plane is permitted to vary from true (theoretically exact) position. Basic dimensions establish the true position from datum features and between interrelated features. A positional tolerance is the total permissible variation in location of a feature about its exact location. For cylindrical features such as holes and outside diameters, the positional tolerance is generally the diameter of the tolerance zone in which the axis of the feature must lie. For features that are not round, such as slots and tabs, the positional tolerance is the total width of the tolerance zone in which the center plane of the feature must lie. Circular Runout — Provides control of circular elements of a surface. The tolerance is applied independently at any circular measuring position as the part is rotated 360 degrees. A circular runout tolerance applied to surfaces constructed around a datum axis controls cumulative variations of circularity and coaxiality. When applied to surfaces constructed at right angles to the datum axis, it controls circular elements of a plane Total Runout — Provides composite control of all surface elements. The tolerance applied simultaneously to circular and longitudinal elements as

2025-03-26

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