A pressure of 400 Pa is applied to an area of 2.5 m2.What force applies this pressure?

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.