Question

true or false

1 frictional force between two surfaces depends on the nature of the two surface

2 rolling friction is greater than sliding friction

3 ball bearings are used to increase friction

4 fluid friction acts between two solid surface that are moving

5 tyres of vehicles have treads to reduce speed




please give me answer


​

Answer 1

Answer:

1) True

2) false

3) false

4) true

5) true

Answer 2

Answer:

1. true

2.false

3.false

4. true

5. true