A pendulum of mass m hangs from a support fixed to a trolley. The direction of the string when the trolley rolls up a plane of inclination `alpha` with acceleration `a_(0)` is

A pendulum of mass m hangs from a support fixed to a trolley. The direction of the string (i.e., angle theta when the trolley rolls up a plane of inclination alpha with acceleration 'a' is

A pendulum of mass m hangs from a support fixed to a trolley. The direction of the string (i.e., angle theta when the trolley rolls up a plane of inclination alpha with acceleration 'a' is

A pendulum of mass m hangs from a support fixed to a trolley. The direction of the string (i.e.., angle theta ) when the trolley rolls up a plane of inclination ' alpha ' with acceleration a is

A pendulum of mass m hangs from a support fixed to a trolley which is moving up to the inclined plane with uniform acceleration 'a'. The angle which the string makes with vertical in equilibrium is

A pendulum of mass m hangs from a support fixed to a trolley which is moving up to the inclined plane with uniform acceleration 'a'. The angle which the string makes with vertical in equilibrium is

A pendulum is hanging from the ceiling of a trolley which moves down a smooth inclined plane. Then