force

Force

100

• This is a push or pull acting on an object

What is force 

200

•  This force always pulls objects toward the center of the Earth.
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What is gravitational force ?

300

• This is the unit used to measure force.
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What is Newton

400

• This force acts in a direction opposite to motion when objects rub together
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What is frictional force?

500

Can make us slip, cause wear and tear 

What is unhelpful friction 

Friction

100

•  This type of friction occurs when an object is sliding over a surface
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•  What is sliding friction?
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200

• : This force prevents motion from starting between two surfaces at rest
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•  What is static friction?
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300

 This force helps you walk without slipping

What is friction?

400

Helps us walk, write , drive and paddle a boat 

What is helpful friction

500

•  This factor increases friction between two surfaces

 What is increased surface roughness

Laws

100

This law states that force equals mass times acceleration

What is Newton’s second law?

200

• This law states that an object at rest stays at rest unless acted on by a force

What is Newton’s 1 st law ?

300

• This equation represents Newton’s Second Law

What is F = MA

400

• This law states that every action has an equal and opposite reactio
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What is Newton’s third law 

500

• When you push a wall, the wall pushes back with this kind of force

What is Newton’s 3rd law ?