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Chapter 2 Work & Machines

Across
A simple machine with a sloping surface.
A wheel around which a rope or chain is passed.
The number of times that a machine multiplies the effort force.
Is a simple machine made up of two wheels that turn, or pivot, around the same point.
A simple machine made up of a bar that turns, or pivots, around a fixed point.
Down
A ramp is an example of an ___________ _________.
Two inclined planes placed back-to-back is called a ____________.
A machine that's made up of two or more simple machines.
A device that makes work easier.