7th grade-Newton's laws

Front

Newton's 3rd Law deals with Action - _______________ forces

Back

reaction

Front

If two boys are pulling with the same amount of force, what will happen?

Back

They will not move at all.

Front

Riding a skateboard on gravel is a form of ?

Back

friction

Front

If an object is stationary (not moving), the forces acting upon it are _____________

Back

balanced

Front

What law states that an object will stay at the same speed and direction unless a force changes its motion?

Back

Newton's 1st law

Front

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

Back

friction

Front

What is the term for the force that causes an object to accelerate?

Back

net force

Front

According to Newton's 2nd Law, what is the relationship between force, mass, and acceleration?

Back

Force = Mass x Acceleration (F = ma)

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What happens to an object in motion if no net force acts on it?

Back

It continues to move at a constant velocity.