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Question:
The radius of gyration of body depends upon
The radius of gyration of body depends upon
Updated On: Aug 15, 2022
- shape and size of body
- nature of mass distribution of body
- choice of axis of rotation
- all of these
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The Correct Option is D
Solution and Explanation
The radius of gyration does not depend on the total mass of a body but depends upon the shape and size of body-distribution of mass within the body and choice of rotation of axis.
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Concepts Used:
Gravitation
In mechanics, the universal force of attraction acting between all matter is known as Gravity, also called gravitation, . It is the weakest known force in nature.
Newton’s Law of Gravitation
According to Newton’s law of gravitation, “Every particle in the universe attracts every other particle with a force whose magnitude is,
- F ∝ (M1M2) . . . . (1)
- (F ∝ 1/r2) . . . . (2)
On combining equations (1) and (2) we get,
F ∝ M1M2/r2
F = G × [M1M2]/r2 . . . . (7)
Or, f(r) = GM1M2/r2
The dimension formula of G is [M-1L3T-2].
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