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Motion Vocab

Learn the terms from Motion, Force, Work and Power units

TermDefinition
Speed a rate of change of position
Velocity describes both speed and direction of an object
Acceleration the rate at which velocity changes
Momentum the quantity of motion of a MOVING object
Gravity a force of attraction between all objects
Work the transfer of energy to an object by using a force that causes the object to move in the direction of the force.
Power the amount of work done per unit of time
Terminal Velocity the fastest speed a falling object achieves
Projectile Motion any object being thrown or shot in the air
Simple Machine a device that makes work easier
Friction a force that opposes motion between two surfaces that are in contact
Efficiency compares work output to work input
AMA (actual mechanical advantage) accurate measure of the MA (of/if)
IMA (ideal mechanical advantage) guess of the measure of the MA (depends on the machine)
Joule the unit used for work
Watt the unit used for power
Force x Distance formula to calculate work
work/time formula to calculate power
Created by: lauren11
 

 



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