Question

write true or false. 1. friction is a contact force. 2. fiction is greater when there are fewer a irregularities on a surface . 3 friction is greater when an object is stationary on a surface than when it is moving over it.4 rolling friction is less than static friction.5 energy is wasted in overcoming friction.6it is desirable to increase friction in the brakes of vehicle .7 streamlining a shape reduces break due to air or water. ​

Answer 1

Answer:

1true

2 false

3 false

4 true

5 true

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Answer 2

Answer:

1 T

2 F

3 F

4 F

5 T

6 T

7 T...........?