Force and Newton's Laws

Which Law? "For every action, there is an equal and opposite reaction."

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

Any push or pull on an object.

• force

• velocity 

• inertia

• momentum

The force that opposes motion between two surfaces in contact with each other.

• inertia

• friction

• momentum

• gravity

According to Newton's first law, an object in motion will stay in motion unless:

• a. An unbalanced force acts on it.

• b.A balanced force acts on it

• c. It has inertia

• d. It remains at rest.

Which law applies?

• 1st

• 2nd

• 3rd

What Unit do we Measure Force in? 

• Newtons

• Joules

• Mass

• Kilograms

Which law is also known as the Law of Inertia?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Which force produces a change in motion?

• unbalanced force

• balanced force

• gravitational force

• frictional force

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

What is the net force on the block? (click on the words to view the picture)

• 5 Newtons up

• 5 Newtons down

• 15 Newtons up

• 15 Newtons down