13)
Which of the following sentence regarding centre of
gravity is correct?
Options:
The centre of gravity exists even in the absence of gravity
The centre of gravity has to be inside the body
It is a point about which the moments of the weights of the particles of the body is zero
It is a point about which the moments of the masses of the particles of the body is zero
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Answer:
Which of the following statements are correct a Centre of mass of a body always coincides with the Centre of gravity of the body B Centre of mass of a body is the point at which the total gravitational torque on the body is zero C A couple on a body produce both translational and rotational motion in a body D mechanical?
Explanation:
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