106) In order to have a good grip on the pulley, the V-belt should touch the bottom of the groove in the pulley.

107) In order to double the period of a simple pendulum, the length of the string should be

108) When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

109) Longitudinal vibrations are said to occur when the particles of a body moves

110) The sensitiveness of the governor __________ as the speed range decreases.