Which one of the following is an example of Second Class Lever?

Which of the following is a non-contact force ?

Which one of the following statements qualitatively explains the second law of motion?

A rod is balanced vertically on one of its ends. Which one among the following is the correct nature of its state of equilibrium?

A uniform rope hangs symmetrically over a smooth pulley. One end of the rope is given a slight mass, making that side slightly heavier. Which one of the following is correct?

A particle is found to be at rest when observed from a reference frame S1 and the same particle is found to move with a constant velocity when observed from another frame S2. Which of the following s…