Newton's Laws

What law is best described by inertia?

• 1st
• 2nd
• 3rd
• law of conservation of mass

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 

Which one is balanced?

• top
• bottom
• both
• neither

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

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.

You hit a wall with a stick.  The equal but opposite reaction is _____

• the wall pushes against you
• the stick pushes against you
• you push against the stick
• the wall pushes against the stick

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

A person is pushed forward into their seatbelt when a car stops

• 1st
•  2nd
• 2 and 3
• 3rd 

What law is best described

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 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