Question

IV. True or False
State whether the given statements are true or false.
1. Friction is always useful to us.
2. Fluids are only liquids.
3. Friction is less for smooth surfaces.
4. A soapy floor is slippery due to increased friction.
5. Friction always works in opposite direction to the relative motion.
6. Friction is dependent on area of contact.
7. Sliding friction is less than rolling friction.
8. Friction decreases with increase in the smoothness of the surface.
9. It is easier to move a heavy object than a light object.
10. Friction can be reduced by using lubricants.
11. Friction is independent of the nature of surfaces in contact.
12. A spring balance measures force.
13. Friction can be reduced by using ball bearings in some machines.
14. Friction can never be eliminated.
15. Friction do not produce heat.

Answer 1

Answer:

1. False

2. False

3. False

4. True

5. True

6. True

7. False

8. False

9. False

10. True

11. True

12. False

13. True

14. False

15. False

✅ MARK MY ANSWER AS BRAINLIST IF IT HELPS U✌✌....

$follow \: me....$

Answer 2

Answer:

friction are always help to us