Two surfaces are rubbed together, first with a smaller force and then with a greater force. In which case will the friction between the surfaces be higher? Give reason.
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5
The friction between the surfaces will be higher in the second case. Because when two bodies are rubbed together with a greater force, the friction also increases remaining equal and opposite to the applied force. With smaller applied force, there is less friction.
vishwas55:
its true
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8
the friction would be higher in 2nd case as friction between 2particles increases with increase in the speed of rubbing them.
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