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Physics Chapter 3 Summary- Forces by Mind Map: Physics Chapter 3 Summary- Forces
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Physics Chapter 3 Summary- Forces

Forces work in pairs

1st and 3rd

2nd and 3rd

NEVER 1st and 2nd

Newton's 1st Law

1) An object at rest would remain at rest

2) An object in motion will continue to be in motion at a constant speed in a straight line

3) In the absence of a resulting force acting on it

In this law, the forces are balanced

Free-fall

Newton's 2nd Law

The resultant forces acting upon an object is equal to the product of the mass and the acceleration of the object.

Newton's 3rd Law

For every action there is an equal and opposite reaction

Action and reaction act on different objects

Resultant Force

A resultant force would cause...

For parallel forces, it can be calculated by addition or subtraction

Friction

Bad effects

Good effects

Reducing friction

Depends on

is proportional to the force pressing surfaces together

http://www.youtube.com/watch?v=uSfAut5GMq4&feature=related