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Chapter 4: Newton's First Law - Inertia Questions
Chapter 4 Newton's First Law - Inertia Questions
10
Physics
11th Grade
12/18/2011

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Term
Normal force
Definition
Upward force that balances the weight of an object
Term
Weight
Definition
force on a body due to gravity (mg)
Term
Mass
Definition
measure of the matter in an object
Term
Volume
Definition
amount of space that matter occupies
Term
Friction
Definition
A force that resists motion
Term
Force
Definition
A push or pull that accelerates an object
Term
Inertia
Definition
Reluctance to change the state of motion, has to do with the mass of the object
Term
Equilibrium
Definition
∑Fx = 0, ∑Fy=0, ∑T=0
Term
Net force
Definition
Combination of all the forces that act on an object
Term
Law of Inertia
Newton's First Law
Definition
∑Fx = 0, ∑Fy=0, ∑T=0, v = o or v = c
A body in motion tends to stay in straight line motion. A body at rest tends to stay at rest, unless acted upon by an outside force.
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