Force and Motion

A volleyball flies over the net, but ends up rolling in the sand and stopping. Which one of Newton's Laws describes what happened?

• Newton's First Law

• Newton's Second Law

Tags

NGSS.MS-PS3-5

A volleyball did not move very far after it rolled on the sand. a) What force stopped it? b) Was this force balanced or unbalanced?

• a) gravity b) balanced

• a) gravity b) unbalanced

• a) friction b) balanced

• a) friction b) unbalanced

Tags

NGSS.MS-PS2-2

Newton's First Law of Motion says that an object at rest will stay still unless....

• ...unless an unbalanced force makes it move

• ...unless a balanced force makes it move

• ...the object has inertia

Which object has inertia: a moving bike or a bike not moving?

• a moving bike

• a bike not moving

• both bikes

• neither bike

You push your small cat across the floor, and then you push your very big dog across the floor. a) which animal needs more force to make it move? b) Which Law is this an example of?

• a) The dog. b) Newton's First Law

• a) The dog. b) Newton's Second Law

• a) The cat. b) Newton's First Law

• a) The cat. b) Newton's Second Law

Tags

NGSS.MS-PS2-2

Your heavy shopping cart crashes into a pile of stacked cans in the store. Your light cart then crashes into the same pile of cans. a) Which cart hit the cans with less force? b) Which one of Newton's Laws tells you this?

• a) the light cart. b) Newton's First Law

• a) the light cart. b) Newton's Second Law

• a) the heavy cart. b) Newton's First Law

• a) the heavy cart. b) Newton's Second Law

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

a) Does the engine that moves a car need to be stronger on a light car or a heavier car? b) Which of Newton's Laws explains this?

• a) heavier car. b) Newton's First Law

• a) heavier car. b) Newton's Second Law

• a) lighter car. b)Newton's First Law

• a) lighter car. B) Newton's Second Law

Tags

NGSS.HS-PS2-1

Heavy objects have _________ inertia than lighter objects..

• less

• more

• the same amount of

• What is inertia?

A ball puts a force on a wall. The force the wall put back on the ball was _________.

• equal

• higher

• Nobody knows!

You hit a basketball with your hand. The basketball put a force on your hand, and your hand put a force on the basketball. This is...

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

• This has nothing to do with Newton or his Laws.