The transfer of energy to a body by the application of a force that causes the body to move in the direction of the force is called

A boy exerts an average force of 65N when he lifts a box 1.2m. How much work does he do?

_______ is defined as the rate at which work is done.

How much power is required to do 180 J of work in 2.4s?

How much power is required to lift a 30N chair .20m in 2s?

A boy pushes on a parked car with a force of 200N. The car does not move. How much work does the boy do?

What are the units of work?

A weightlifter presses a 400N weight 0.5m over his head in 2s. What is the power of the weightlifter?

Which of the following processes requires the most work?

A man pushes a crate along a factory floor by exerting a force of 55N. If the crate moves a distance of 4m, how much work does the man perform?

What are the units of power?

In which of the situations is NO work being done?

The amount of work being done on an object can be increased by

Power output can be increased by

__________ is the measure of the ability to do work.

As a dropped penny falls toward the ground, ____ energy is converted to ____ energy.

The law of conservation of energy states that energy

Which of the following has the greatest potential energy?

What is kinetic energy?

Potential energy is

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