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Force and Motion: Glossary
A
- applied force
- a force applied to something
- attract
- to pull towards each other
F
- force
- a push or pull
- friction
- a force of rubbing objects
- frictional force
- the force caused by friction
G
- gravity
- the force that pulls all things towards the center of the earth
I
- inertia
- a property of all objects that is related to its mass - moving objects tend to stay moving and motionless objects remain motionless
M
- magnetic force
- the force created by a magnet
- mass
- The amount of matter in an object
- motion
- the changing of location or position
N
- Newton
- an English philosopher and mathematician who originated the theory of gravity
- normal force
- the force of an object which supports another object such as a book laying on a table
O
- opposing forces
- forces that work against each other
R
- resisting force
- a force such as wind resistance or friction
S
- spring force
- force created by a spring
T
- tension force
- the force of tension in a wire, rope or cable
V
- velocity
- speed in one direction
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