Work, Power, & Simple Machines

Front

Energy

Back

The ability to cause change. Forms include electrical, chemical, thermal, radiant, and mechanical.

Front

Potential energy

Back

Energy that is stored.

Front

Kinetic energy

Back

Energy in the form of motion.

Front

Object in Motion

Back

An object that continues in motion with the same speed and direction unless acted upon by an unbalanced force.

Front

Gravitational potential energy

Back

Energy possessed by anything that can fall.

Front

Law of Conservation of Energy

Back

Energy can be transformed from one form to another but cannot be destroyed.

Front

Work

Back

The transfer of energy that occurs when a force makes an object move.

Front

Formula for calculating work

Back

Work (joules) = Force (N)X Distance

Front

Work is a scalar quantity.

Back

Even though force and displacement are vectors.

Front

SI unit of work

Back

Joule (J)