Unit 4 - Force and Motion

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is net force?

Back

The total force acting on an object after all the forces are combined.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help lift objects with less force.

Front

What does constant speed mean?

Back

An object is moving at the same speed over time.

Front

What is acceleration?

Back

The rate at which an object changes its velocity.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is gravity?

Back

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

Front

How do you calculate net force?

Back

Add all the forces acting on an object, taking direction into account.

Front

What is a balanced force?

Back

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