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Forces and Newton's Laws
The laws of Newton, forces, and additional vocabulary
15
Science
8th Grade
02/13/2010

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Term
Force
Definition

A push or pull on an object

 

Term
Friction
Definition
The force that one surface exerts on another when the two rub against each other
Term
Rolling Friction
Definition
An object rolling on a surface
Term
Sliding Friction
Definition
Solid surfaces sliding over each other
Term
Fluid Friction
Definition
An object moving through a liquid or gas
Term
Balanced Force
Definition
An equal force acting on an abject in opposite directions
Term
Unbalanced Force
Definition
An unequal force on an object in the same direction
Term
Net Force
Definition
The overall (amount) force on an object after all the forces are added together
Term
Weight
Definition
Measure of the force of gravity on an object
Term
Inertia
Definition
The tendency of an object to resist change
Term
Air Resistance
Definition
Objects falling through the air experiencing a type of fluid friction
Term
Gravity
Definition
The force that pulls objects toward each other
Term
Projectile
Definition
An object that is thrown
Term
Free Fall
Definition
When the only force acting on an object is gravity
Term
Momentum
Definition
The product of an object's mass and velocity (m = mass x velocity)
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