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 gravity of a body is the point about which the total gravitational torque on the body is zero.
(c) a couple on a body produce both translational and rotation motion in a body.
(d) mechanical advantage greater than one means that small effort can be used to lift a large load.
 
1. (a) and (b) 2. (b) and (c)
3. (c) and (d) 4. (b) and (d)
Subtopic:  Center of Mass |
 59%
From NCERT
NEET - 2017
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh