5.7A Vocabulary Review

Front

What is a force?

Back

A force is a push or a pull that can change the motion of an object.

Front

What describes an unbalanced force?

Back

An unbalanced force occurs when one force is stronger than another, causing an object to move. Example: A car rolling down a hill.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, such as the Earth pulling us down.

Front

What is motion?

Back

Motion is a change in position of an object over time.

Front

What happens when a ball hits a wall?

Back

The ball will bounce back in the opposite direction, landing at a position determined by its speed and angle.

Front

What is an example of balanced forces?

Back

Balanced forces occur when two forces acting on an object are equal in size and opposite in direction, resulting in no change in motion.

Front

What is the effect of friction?

Back

Friction is a force that resists motion between two surfaces in contact.

Front

What is an example of a push force?

Back

Pushing a shopping cart forward is an example of a push force.

Front

What is an example of a pull force?

Back

Pulling a door open is an example of a pull force.

Front

What is the relationship between force and motion?

Back

A force applied to an object can cause it to start moving, stop moving, or change direction.