Which of the following statements are correct Somerto a

Last updated: 6/12/2023

Which of the following statements are correct Somerto 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 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 1 b and d