Help!!!'' 10. What is needed to make a lever?
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11. In your own words explain what a simple machine is.
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12. List 4 different simple machines. _
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10.) A sturdy wooden ruler, piece of foam board, or thin piece of wood (we used a 24” piece of basswood, which can be purchased at a craft store)
A large binder clip.
Weights or variety of objects (or small paper cups and pennies to use as weights)
11.) any of the basic mechanical devices for applying a force, such as an inclined plane, wedge, or lever.
12.) Screw.
Wheel and axle.
Lever.
Pulley.