Sand falls vertically on a conveyor belt at a rate of 0.1 kg/s. In order to keep the belt moving at a uniform speed of 2 m/s, the force required to be applied on the belt is:

The power required to lift a mass of 8.0 kg up a vertical distance of 4 m in 2 s is (taking acceleration due to gravity as 10 m/s²):

A mass is attached to a spring that hangs vertically. The extension produced in the spring is 6 cm on Earth. The acceleration due to gravity on the surface of the Moon is 1/6th of its value on Earth.…

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 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…

We apply a force of 200 Newtons on a wooden Box and push it on the floor at constant velocity. The marginal friction force will be: