5th Grade Force and Motion NC

Front

What is force?

Back

A push or pull on an object that can cause it to move, stop, or change direction.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is speed?

Back

The distance an object travels in a certain amount of time.

Front

What is friction?

Back

A force that opposes the motion of an object, often caused by contact with another surface.

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling objects toward its center.

Front

What happens to the speed of an object when a force is applied in the same direction?

Back

The speed of the object increases.

Front

What happens to the speed of an object when a force is applied in the opposite direction?

Back

The speed of the object decreases.

Front

What is the effect of mass on the motion of an object?

Back

An increase in mass generally makes it harder to accelerate the object.

Front

What is a balanced force?

Back

Forces that are equal in size but opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

Forces that are not equal, causing a change in motion.