Work, Power, and Energy

Front

What is the imaginary boundary called when used to describe energy transformations in objects?

Back

System

Front

Energy can be transformed from one form into another, but the total amount of energy never changes. What is this principle called?

Back

Law of conservation of energy

Front

What is the formula for kinetic energy?

Back

KE = 1/2 mv²

Front

A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?

Back

2000 J

Front

What is the product of the net force on an object and the distance through which the object is moved?

Back

Work

Front

What is the unit of work in the International System of Units (SI)?

Back

Joule (J)

Front

What is the definition of power in physics?

Back

The rate at which work is done or energy is transferred.

Front

What is the formula for calculating power?

Back

Power = Work / Time

Front

What is the relationship between work, force, and distance?

Back

Work = Force x Distance

Front

What is potential energy?

Back

Energy stored in an object due to its position or configuration.