nursing AIIMS BSc Nursing 2025 Mock Test Series Physics Center of Mass and Linear Momentum Centre of mass
Which of the following statements are correct?
(a) Centre of mass of a body always coincides with the center 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.
1
(c) and (d)
2
(b) and (d)
3
(a) and (b)
4
(b) and (c)