Name the forms of energy which a wound-up watch spring possesses.
Important Questions on Work, Energy and Power
Name the type of energy possessed by the bob of a simple pendulum when it is at the extreme position. (Potential energy/ kinetic energy)
Name the type of energy possessed by the bob of a simple pendulum when it is at the mean position(Kinetic energy/ potential energy)
When an arrow is shot from a bow, it has kinetic energy in it. Explain briefly from where does it get its kinetic energy.
A ball is placed on a compressed spring. What form of energy does the spring possess? On releasing the spring, the ball flies away. Give a reason.
What is meant by gravitational potential energy? Derive an expression for it for a body placed at a height above the ground.
Write an expression for the potential energy of a body of mass placed at a height above the earth's surface. State the assumptions made, if any.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
