Force and Motion Vocab

Front

What is the tendency of a moving object to keep moving in a straight line or resist a change in motion?

Back

Inertia

Front

Speed and direction of a moving object is called what?

Back

Velocity

Front

What is the force with which an object responds to an action?

Back

Reaction

Front

What are forces that cancel each other out when acting together on a single object?

Back

Balanced Forces

Front

What is an imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates?

Back

Axis

Front

What is the rate at which an object changes its position?

Back

Speed

Front

What is the force that opposes the motion of an object?

Back

Friction

Front

What do we call the change in velocity over time?

Back

Acceleration

Front

What is the force of attraction between two objects due to their mass?

Back

Gravity

Front

What is the net force acting on an object when all the forces are combined?

Back

Resultant Force