Question

2. Static friction is always_____than sliding friction
3-Sportsmen use shoes, fitted with spikes, to____ friction between their shoes and the ground.
4.Frictional force, on an object moving in a fluid, depends on its_____. 5. Frictional force on am object moving in a fluid depends on its ____.
6-The shape of an aeroplane is ___to reduce, the effects of friction, due to air.
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Answer 1

Answer:

2) greater

3) increase

4)

5)

6) streamlined

Answer 2

Answer:

2greater 3 increase 4/5 density 6 streamlined