26.A stone of mass m tied to a string of length l is rotated in a circle with the other end of the string as the centre. The speed of the stone is v. If the string breaks, the stone will:

27.In circular motion:

28.A coin placed on a rotating turntable just slips if it is placed at a distance of 8 cm from the centre. If angular velocity of the turntable is doubled, it will just slip at a distance of:

29.A chain of 125 links is 1.25 m long and has a mass of 2 kg with the ends fastened together. It is set for rotating at 50 rev/s, the centripetal force on each link is: