Physics Fast Facts: Work and Energy

Front

What is the energy possessed by any moving object?

Back

Kinetic energy

Front

What type of work is done by a force parallel to an object's displacement?

Back

Positive work

Front

What is the energy stored in a gravitational field called?

Back

Gravitational potential energy

Front

What is another term for the internal energy of a two-object system?

Back

Potential energy

Front

What is the formula for translational kinetic energy?

Back

=1/2mv²

Front

What type of energy is associated with the position of an object in a gravitational field?

Back

Gravitational potential energy

Front

What is the difference between kinetic energy and potential energy?

Back

Kinetic energy is energy of motion, while potential energy is stored energy based on position.

Front

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

Back

Joule (J)

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is the formula for work done by a force?

Back

Work = Force × Displacement × cos(θ)