machines

3 Written Questions

1. a flat surface that slopes from a high place to a low place, less force is needed to slide an object up
2. a wheel with a rope around it, can fasten an object to one end of the rope and pull on other end to lift the object
3. The point on which a lever turns

2 Multiple Choice Questions

1. a rod that can turn on a point called fulcrum, push down on one end other end goes up, can lift things more easily because less force is needed
   1. pulley
   2. screw
   3. lever
   4. wedge
2. a kind of lever that continues to turn around its axel
   1. pulley
   2. wheel and axel
   3. inclined plane
   4. wedge

2 True/False Questions

1. screw → an inclined plane wrapped around a rod, holds things together better than nails

   True        False

2. wedge → a rod that can turn on a point called fulcrum, push down on one end other end goes up, can lift things more easily because less force is needed

   True        False