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Which of following statements are correc...

Which of following statements are correct ? ltbgt (a) Centre of mass of a body always coincides with the centre of gravity of the body
(b) Central of mass of a body is the point at which the total garvitational torque on the body is zero
(c ) Couple on a body produces both trasnlational and rotation motion in a body
(d) Mechinical advantage greater than one means that small efforts can be used to lift a large load

A

(2) and (4)

B

(1) and (2)

C

(2) and (3)

D

(3) and (4)

Text Solution

Verified by Experts

The correct Answer is:
B
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DC PANDEY-SOLVD PAPERS 2017 NEET, AIIMS & JIPMER-Solved paper 2018(JIPMER)
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