Work and Energy

Front

What is a force?

Back

A push or a pull.

Front

What is the unit for mass needed for calculating with energy?

Back

kg.

Front

What factor will increase as the efficiency of a machine increases?

Back

Output work.

Front

What is the unit used to measure work?

Back

Joule.

Front

If you exert a force of 10 N to lift a box over 1 m, how much work do you do?

Back

10 Joules.

Front

What is kinetic energy?

Back

The energy of an object due to its motion.

Front

What is potential energy?

Back

The energy stored in an object due to its position or state.

Front

What is the formula for calculating work?

Back

Work = Force x Distance.

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 mechanical energy?

Back

The sum of potential energy and kinetic energy in a system.