Unit 3 Force and Motion VOCABULARY REVIEW (20 words)

Front

What is the force that attracts a body toward the center of the earth?

Back

Gravity is the force that attracts a body toward the center of the earth or any other physical body having mass.

Front

What is the force that opposes motion between two surfaces in contact?

Back

Friction is the force that opposes motion between two surfaces that are in contact.

Front

What term describes the speed and direction of an object?

Back

Velocity is the term that describes the speed and direction of an object.

Front

Who discovered the laws of motion?

Back

Sir Isaac Newton discovered the laws of motion.

Front

What is the resistance to an object’s motion when it slides over a surface called?

Back

Sliding friction is the resistance to an object’s motion when it slides over a surface.

Front

What is the term for the rate of change of velocity?

Back

Acceleration is the term for the rate of change of velocity.

Front

What is the force that opposes the motion of an object through a fluid?

Back

Fluid friction is the force that opposes the motion of an object through a fluid.

Front

What is the term for the total distance traveled divided by the total time taken?

Back

Speed is the term for the total distance traveled divided by the total time taken.

Front

What is the law that states for every action, there is an equal and opposite reaction?

Back

Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction.

Front

What is the term for the change in position of an object?

Back

Motion is the term for the change in position of an object.