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Chapter 3
Forces
20
Physics
12th Grade
11/04/2008

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Cards

Term
Newton's First Law
Definition
Objects in motion tend to stay in motion, objects at rest tend to stay at rest
Term
Newton's 2nd Law
Definition
a=net F/m
Term
Newton's 3rd law
Definition
For every action, there is an equal and opposite reaction
Term
[image]
Definition
C
Term
If you drop a pencil on a moving bus, where will it fall?
Definition
At your feet below your hand
Term
Weight
Definition
The force due to gravity on an object
Term
Mass
Definition
The quantity of matter in an object
Term
Volume
Definition
The amount of space an object occupies
Term
If a ball rolls down a uniform slope ramp acceleration is:

A) decreasing
B) constant
C) increasing
Definition
B) constant
Term
Action/reaction pairs act on:

A) the same object
B) different objects
Definition
B) different objects
Term
Normal Force
Definition
Fn
Term
Friction Force
Definition
Ff
Term
Force of Weight
Definition
Fw
Term
Applied Force
Definition
Fa
Term
Tension Force
Definition
Ft
Term
Units of Weight
Definition
N
Term
Units of Pressure
Definition
N/m^2
Term
To Find Ax:
Definition
Ax/A= cosx
Term
To Find Ay:
Definition
Ay/A= siny
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