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Topic 1-3 Review

Horizontales
A simple machine that is a long, spiral inclined plane
Work is measured in ____.
The ratio between the number of rotations of a driver gear and follower gear
A ramp is an example of the _______ plane simple machine
A measurement that describes how well a machine uses input work compared to its output work
A doorknob contains a larger wheel and a smaller _____
A device that makes it easier to do work
The unit of measurement for force
Two types of pulleys include fixed and ______.
A knife blade is an example of this simple machine
Verticales
The class of lever where the effort is applied between the load and the fulcrum
A machine made of more than one simple machine
Calculated by multiplying Force times Distance
There are six basic _____ machines
Wheels with teeth that are linked together
A simple machine made of a system of ropes and grooved wheels
Mechanical ______ is calculated by dividing the output force by the input force
The force of ____ generates heat and sound, reducing the efficiency of the machine
A steering wheel is an examples of a class ___ lever
A simple machine made of a beam that moves on top of a fulcrum