NEET Solved Paper 2017 Question 43
Question: 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 advantage greater than one means that small effort can be used to lift a large load. |
Options:
A) C and D
B) B and D
C) A and B
D) B and C
Show Answer
Answer:
Correct Answer: B
Solution:
- (B) Centre of mass may or may not coincide with centre of gravity.
