Question
26 In the situation shown, pulley P is a circular disc having mass 4 kg and it is free to rotate about the
horizontal axis passing through its centre. When the hanging block is released from rest then during its
fall
light string
2 k
(1) Angular velocity of the disc increases at a constante
(2) Rotational kinetic energy of the disc increases at a constant rate
(3) Kinetic energy of the hanging block increases at a
(4) All of these
t rate