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ch. 19 vocab.

work When force causes an object to move in the direction of force
simple machine a machine that makes work easier
mechanical advantage the number of times a machine multiplies the effort force you apply
lever a rod that pivots on a fixed point
pulley an object like a wheel with a rope or chain running through it's groove
wheel and axel made of two round objects that are attached that also rotate together
inclined plane a sloped surface
wedge a moving inclined plane with one or two sloping sides
fulcrum a fixed point
compound machine a machine that is made up of many simple machines
force a push or pull si is it's newton
Created by: Mineman