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Uniform Circular Motion

When a planet...

Question

When a planet moves around the sun,it's
a. areal velocity is constant
b. linear velocity is constant
c. angular velocity is constant
d. all the velocities are constant

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Solution

(a)Kepler’s second law (law of areal velocities):- A planet moves round the sun in such a way that its areal velocity is constant.

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Q. A planet revolving in an elliptical orbit has :

A) .

a constant velocity of revolution.

B) .

the least velocity when it is nearest to the sun.

C) .

its areal velocity directly proportional to its velocity.

D) .

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E) .

a trajectory such that the areal velocity is constant.

Choose the correct statement from the options given below :

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