A few days ago

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

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___

Top 2 Answers
A few days ago

Favorite Answer

1. Joule

2. Screw

3. Watt

4. Acceleration

5. Input

6. not there….

7. advantage

8. also not there

9. block and tackle?


11. Lever

12. Wdge

13. compound

14. Wheel and Axle


16. Output

17. Fulcrum

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


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