1.According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on

2.The frequency of oscillation at compared to earth will be

3.The absolute acceleration of any point P in a link about center of rotation 0 is

4.For simple harmonic motion of the of follower, a cosine curve represents

5.If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be