Parsia (Regular) Ch 3/4 Vocab (copy)
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10 Terms
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Gravity
The force that two objects exert upon each other because of their masses
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Weight
The force of gravity on an object
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Orbit
The elliptical path that one body follows around another body
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Friction
The force that resists motion between two surfaces in contact
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Fluid
Anything that can flow easily such as gas and liquid
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Air Resistance
Fluid friction due to air
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Work
The use of force to move object over a distance
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Joule
A unit that measures energy and work. joule is when a force of 1 newton moves an object one meter
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Power
the rate at which work is done
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Watt
The unit used to measure power is equal to one joule of work done in one second
Note 
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