Physics Fast Facts: Work and Energy

Front

True/False: Work is a vector quantity.

Back

False

Front

The formula for rotational kinetic energy is __________.

Back

=1/2Iω²

Front

__________ is energy stored by a spring.

Back

Elastic potential energy

Front

__________ is energy stored in a gravitational field.

Back

Gravitational potential energy

Front

The formula for elastic potential energy is __________.

Back

=1/2kx²

Front

What is the definition of work in physics?

Back

Work is done when a force causes an object to move in the direction of the force.

Front

What is the unit of work?

Back

The unit of work is the Joule (J).

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion.

Front

What is the formula for kinetic energy?

Back

KE = 1/2mv²

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or configuration.