• Subject:


  • Topic:


A simple pendulum is set up in a trolley which moves to the right with an acceleration a on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle θ with the vertical

(a) tan-1ag in the forward direction

(b) tan-1ag in the upward direction 

(c) tan-1ag in the backward direction

(d) tan-1ga in the forward directions