Simple Machines – Quiz Questions

pp. 438 - 443

1. List the 6 simple machines.
   
   
2. Give an example of a first class lever.
   
   
3. Give an example of a second class lever.
   
   
4. Give an example of a third class lever.
   
   
5. What is the mechanical advantage of a single fixed pulley?
   
   
6. What is the mechanical advantage of a pulley system with 3 supporting strands?
   
   
7. What is a COMPOUND MACHINE?
   
   
8. Name three compound machines.
   
   
9. How does an inclined plane change the force required to do work?
   
   
10. How does a pulley system change the force required to do work?
    
    
11. Does a single fixed pulley do the same amount of work as a double fixed and double moveable system with 4 supporting strands?