Question

9. State True or False .1. Sliding friction is a little more than static friction between two surfaces. ——— .2. It’s much easier to roll than to slide a body over a given surface. ——— .3. Static friction <Sliding friction < rolling friction. ——— .4. Friction leads to production of heat. ——— .5. We are unable to write on the blackboard because of friction. —— *
5 points
True False.​

Answer 1

Answer:

1. Sliding friction is a little more than static friction between two surfaces. false

2. It’s much easier to roll than to slide a body over a given surface. true.

3. Static friction <Sliding friction < rolling friction. true.

4. Friction leads to production of heat.  true.

5. We are unable to write on the blackboard because of friction. false

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