Torque is applied on a disc of moment of inertia 10 kgm^2 at rest in anticlockwise direction sinusoidally according to the equation Torque=100sin(π/10). Which of the following statements are true?A) The disc rotates in anticlockwise direction between 0 and 10s and in clockwise direction between 10 and 20s ie it oscillates between the two.B) The angular velocity of the disc increases between 0 and 10s and decreases between 10 and 20s; but always remain in anticlockwise direction.C)the maximum angular velocity of the disc is 200/π rad/s at t=10s.D)the maximum angular velocity of the disc is 100 rad/s at t=5s.s

Bhavyta Aggarwal , 6 Years ago

Grade 11