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GS - Ch 20

Gen Science - Ch 20 Work and Simple Machines

TermDefinition
work when a force causes an object to move in the same direction that the force is applied
power how quickly work is done
input force the force you apply on a machine
output force the force that the machine applies
mechanical advantage the number of times a machine increases the input force
efficiency the ratio of the output work to the input work
simple machine does work with only one movement
compound machine a machine made up of a combination of simple machines
inclined plane a flat, sloped surface
wedge an inclined plane that moves
screw an inclined plane wrapped around a cylinder or post
lever any rigid rod or plank that pivots, or rotates, about a point
wheel and axle consists of two circular objects of different sizes that are attached in such a way that y rotate together
pulley consists of a grooved wheel with a rope or cable wrapped over it
force push or pull that one body exerts on another
potential energy the energy that is stored in an object due to its position or configuration
kinetic energy the energy that an object possesses due to its motion
Created by: droesener
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