Match each phrase with the correct term
from the list of Key Science Words.
1. any device that accomplishes work with
only one movement
2. force applied by a machine
3. a device in which work output equals
work input
4. a bar that pivots about a fixed point
5. two different-sized wheels that rotate
together
6. a combination of simple machines
7. the work output of a machine divided by
the work input
8. the rate at which work is done
9. the fixed point of a lever
10. an inclined plane wrapped around a
cylinder
Chapter 7 Review
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