Okay the first one to answer the following questions gets best answer?

Question

It's about simple machines:
1. The unit used to express work is the______________
2.A______________ is an inclined plane that is wrapped in a spiral.
3.______________ is the rate at which work is done.
4.____________ occurs when a force causes an object to move in the direction of the force.
5. The work you do on a machine is called the work________
7.The mechanical____________ of a machine compares the input force with the output force.
9. When two kinds of pulleys are used together, the system is called a ______________
11. A__________________ is a device that helps make work easier by changing the size or direction of force.
12. A____________ is a double inclined plane that moves
13. Machines that are made up of two or more simple machines are called _____________ machines.
14. A_____________ is a simple machine consisting of two circular objects of different sizes
16. The work done by a machine is called the work __________
17. The fixed point at which a lever pivots is called a___

Answer 1

1. Joule
2. Screw
3. Watt
4. Acceleration
5. Input
6. not there....
7. advantage
8. also not there
9. block and tackle?
10.
11. Lever
12. Wdge
13. compound
14. Wheel and Axle
15.
16. Output
17. Fulcrum

(hooray for bribing people to do homework for you!)

Answer 2

don't you have a science book? I'm sure all the answers are in there. or google it. quit being lazy.