5th Grade Force and Motion - Vocabulary

Front

What is inertia?

Back

The natural tendency of an object at rest to stay at rest or an object in motion to stay in motion.

Front

What is speed?

Back

The rate at which someone or something is able to move or operate.

Front

What is velocity?

Back

The speed at which something moves in a given direction.

Front

What is an unbalanced force?

Back

When unequal forces act on an object.

Front

What is work?

Back

The amount of energy transferred by a force.

Front

What is kinetic energy?

Back

The energy an object has due to its motion.

Front

What is potential energy?

Back

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

Front

What is mass?

Back

The amount of matter in an object, usually measured in kilograms.

Front

What is weight?

Back

The force exerted by gravity on an object, calculated as mass times the acceleration due to gravity.

Front

What is a balanced force?

Back

When two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.