Question

true or false 1. friction is an evil which is always harmful 2. rolling friction is greater than sliding friction 3. lubricant is used to reduce friction 4. wrapping of a polythene sheet on a brick increase friction while it is moved on a floor 5.friction from a fluid on a moving object through it is also called drag 6. more the weight of the object less is the friction on moving it on a surface 7. heat is generated when a object rubs against the surface 8. once you click a ball it rolls forever 9. fiction from air makes the meteor burns​

Answer 1

Answer:

1. false

2. true

3. true

4. false

5. true

6. false

7. true

8. false

9. true