Available Answers

1. 1.

   What can force do to an object?

2. 2.

   When can force applied, result in now work done?

3. 3.

   What is the difference between a simple and a compound machine?

4. 4.

   What methods are used to overcome friction?

5. 5.

   What is potential energy?

6. 6.

   What are the disadvantages of friction?