A small sphere is suspended by a string from the ceiling of a car. If the car beings to move with a constant acceleration a, the inclination of the string to the vertical is:

A plumb bob is hanging from the ceiling of car. If the car move with acceleration a, the angle made by the string with the vertical is

A small metallic sphere of mass m is suspended from the ceiling of a car accelerating on a horizontal road with constant acceleration a. The tension in the string attached with metallic sphere is

A small metallic sphere of mass m is suspended from the ceiling of a car accelerating on a horizontal road with constant acceleration a. The tension in the string attached with metallic sphere is

A simple pendulum is suspended from the ceiling of a train which is moving with an acceleration a .The angular of inclination of the pendulum from the vertical will be

A simple pendulum is suspended from the roof of a train . If the train is moving with an acceleration 49 cm/s^2 . Then the angle of inclination of the string about the vertical will be

A simple pendulum is suspended from the roof of a train. If the train is moving with an acceleration 49 cm//s^(2) . Then the angle of inclination of the string about the vertical will be