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The Circular Orbits
The bounded motion of a particle in a central force is in general an ellipse given by
where eccentricity e is related to semi-major and minor axes as,b2 = a2 (1 - e)2Hence, if e = 0, b = a, and the ellipse degenerates into a circular orbit. The radius of the circular orbit is, If the particle m is moving in a gravitational force of a fixed mass M, C = GmM, and we get That is, the radial gravitational force is equal to necessary centripetal force required for the particle in the circular orbit.The planetary data shows that eccentricity e for most of the planets, including earth, is nearly equal to zero. Hence, their orbits are really indistinguishable from circles. However, these circular looking orbits are not concentric with Sun at the center; this is because, these are in fact ellipses, with Sun at the focus.
Reactions at grouted end of cantilever beam: Q: Find reactions at grouted end of cantilever beam shown in figure given below Draw free body diagram of the beam
Washing and Drying a Motorcycle : It is important to wash and dry the motorcycle before servicing. It would ensure cleanliness during the service and would not allow any dust ent
Mounting Systems For The Welding Head Submerged arc welding head may be mounted by one of the following three methods. a. Fixed type b. Carriage mounted type c. Boom mounted ty
working
Forces working on sphere: Let a sphere of mass m, suspended by means of a string, resting against a smooth wall, as illustrated in Figure (a). What are the forces working on i
Concept of plane stress: Define the concept of plane stress. Sol.: In cubical element of strained material is acted on by stresses acting on only 2 pairs of parallel plane
The first stage of design assumes: budget is approved, marketing research is complete, product can be made at a price below that which it can be sold, research and development is c
It should include 10 pages along with pictures and references.
in orthographic projection why in quadrant is taken in anticlock wise
How does an Ignition system works ?
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