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What are the seven simple machines?
1. Incline Plane
2. Lever
3. Wheels and axle
4. Pully
5. Wedge
6. Screw
7. Gears
What is a machine?
A mechanical system that makes it easier to do work.
What are the 3 ways machines make it easier to do work?
1. Increasing the input force
2. Changing direction of input force
3. Spreading out the necessary force over a larger distance
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