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work and power vocab

Work Work is done when a force causes an object to move in the direction of the force.
Power Power is how fast energy moves from one object to another.
Power output Power output is how much work can be done quickly.
Machine A machine is something that makes work easier.
Work input The work you do on a machine is called the work input.
Work output The work done by the machine on another object is called the work output.
Mechanical advantage A mechanical advantage tells you how much force increases.
Mechanical efficiency The mechanical efficiency compares a machine's work output with the work input.
Created by: hollylynn