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Earn 100

Dimensional formula of gravitational potential is same as-
(a)Work
(b)Force
(c)Velocity
(d)

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Important Questions on Gravitation
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Which of the following observations point to the equivalence of inertial and gravitational masses?
For a man in a closed cabin that is falling freely under gravity, gravity 'disappears'.

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Which of the following observations point to the equivalence of inertial and gravitational masses ?
Time period of a simple pendulum is independent of its mass.

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Which of the following observations point to the equivalence of inertial and gravitational masses ?
Two spheres of different masses dropped from the top of a long evacuated tube reach the bottom of the tube at the same time.

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Which of the following observations point to the equivalence of inertial and gravitational masses?
The gravitational force on a particle inside a hollow isolated sphere is zero.

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