Show:
Vocabulary
Law 1
Law 2
Law 3
Other
100
What is speed?

How fast an object moves

100
Law 1 is about...
Objects at rest
100
Law 2 is about...
Speed and direction
100
For every action...
There is an equal an opposite reaction
100
Front air bags help people by...
Stop people from hitting hard parts in a car
200
What is force?

Powers that make an object move

200
An object in motion stays in motion UNLESS...
Acted on by an unbalanced force
200
The more force you use on an object...
The further it will go
200
In a rocket, what is the action?
The jet fuels pushing down
200
Issac Newton was a...
Scientist
300
What is direction?
The way an object moves
300
An object at rest...
Stays at rest
300
The greater mass an object has...
The more force it will need to move
300
In a rocket, what is the reaction?
The rocket moving up
300
Isaac Newton wrote about _____ and motion
Force
400
What is action?

Something that happens; motion

400
What causes an object to stop moving?
Gravity, friction, an unbalanced force
400
What causes a skier to turn?
Force
400
People use ______ to stop the motion of rocks
Fences
400
What is friction?
Rubbing
500
What is reaction?

Something that happens because of something

500
What causes a ball to stop rolling when doesn't hit another object?
Friction and gravity
500
If there is a larger angle on a hill, will this increase the force of an object rolling down it?
YES
500

When I blow into a balloon and it flies around the room, this is the...

Reaction
500
What is inertia? 
What keeps an object moving