Newtons Laws

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

• Balanced

• Magnetic

• Spring

• Unbalanced

When the teacher rearranges the desks in the classroom, she must apply ____________ to push and pull the desks around.

• acceleration

• force

• weight

• magnets

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

• The Law of Inertia (1st law)

• The Law of Acceleration (2nd law)

• The Law of Conservation of Momentum

• Action Reaction Law (3rd law)

What Unit do we Measure Force in?

• Newtons

• Joules

• Force

• Kilograms

What is Newton's First Law

• F=ma

• Every action has an equal and opposite reaction

• An object at rest stays at rest, an object in motion stays in motion.

• Friction

A 20 kg bike accelerates at 10 ms^-2. what was the force?

F = m x a

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

Newton's third law states that any action will have a(n) _______ and ______ reaction

• Equal and similar

• Equal and opposite

• Equal and different

• Greater and opposite

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

• 12 N Right No

• 4 N Left No

• 12 N Right Yes

• 4 N Left Yes

What law is best described

• 1st

• 2nd

• 3rd

• law of motion

What law is best described

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law