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Physical Science

TermDefinition
force push or pull
distance how far an object has moved
speed rate of change in position
average speed total distance divided by total time
instantaneous speed speed at any point of time
inertia tendency of an object to resist any change in motion
centrifugal force imaginary force that feels like it pulls outward
centripetal force net force exerted toward the center of a circle
machine device that makes work easier
simple machine device that does work with only 1 movement
complex machine combination of machines
input force force applied to the machine
output force force applied by the machine
output distance how far the resistance moves
input effort
output resistance
work input what we put in
work output what we get out of a machine
mechanical advantage number of times a machine multiplies effort force
inclined plane sloping surface used to raise objects
ideal mechanical advantage (IMA) number of times a machine should multiply force
actual mechanical advantage (AMA) number of times a machine actually multiplies force
Created by: Hoffy