Laws
Newton's First Law of Motion is also called...?
Inertia
Newton's Third Law is also known as...?
Action/Reaction
The basic definition of a force is...?
A push or pull
A push or pull that involves direct touching...?
Contact Force
Who developed the Laws of Motion?
Isaac Newton
A driver slams on their car brakes and passengers fly forward and are stopped by their seatbelts...?
First Law
A cannon moves backward as the cannonball shoots out...?
Third Law
What is the name of the invisible force exerted by magnets?
Magnetic Field
Forces always occur in...?
Pairs
An apple falling from a tree is an example of what force?
Gravity
What does inertia mean?
An object will keep doing what it's doing unless acted upon by a force.
If force increases, what happens to the object's acceleration?
It increases
If an object's mass increases, what happens to the object's acceleration?
Friction is an example of what type of force?
Contact
Describe forces when an object changes its speed and/or direction.
Unbalanced forces resulting in a change in motion
The harder you hit a bubble soccer player, the further s/he travels...?
Second Law
Newton's Second Law says that the amount of force depends on...?
Mass and Acceleration
The amount of matter in an object is called its...?
Mass
Gravity is an example of what type of force?
Non-Contact
Describe forces when objects are at rest or in constant motion.
Balanced and no change motion
A soccer ball does not move until it is kicked...?
First Law
Force is measured in...?
Newtons
What is it called when an objects changes speed and/or direction/
Acceleration
What is it called when an object speeds up, slows down, and or changes direction...?
Acceleration
Describe motion of an object if forces are equal and balanced.
No motion
A force exerted by the atmoshphere (gas)...?
Drag or Air Resistance
A force that resists motion, causing moving objects to slow down...?
Friction
What keeps the Earth in orbit around the Sun?
Gravity
The measure of the force of gravity on an object...?
Weight