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

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

Consider the following statements: 1. There is no net moment on a body which is in equilibrium. 2. The momentum of a body is always conserved. 3. The kinetic energy of an object is always conserved.…

Two astronauts X and Y float in deep space far from external forces. Initially, they are at rest relative to one another. X throws a tool towards Y. Consider the two astronauts and the tool as one sy…

Which of the following is a non-contact force ?