Physics, asked by runjhunkhandelwal98, 1 year ago

Why the friction between two surfaces increases when they are pressed harder. Give an activity to show the above effect​

Answers

Answered by Anonymous
6

Answer:

friction only appears when force is applied between surfaces.

On earth surface bigger masses have more frictional force for same area of contact due to gravitational force

Explanation:


runjhunkhandelwal98: thanks for answering but I asked for an activity to prove this
Anonymous: applying pressure exerts force and same is done by mass
Answered by Anonymous
8

The friction is caused by the interlocking of irregularities in the two surfaces. It is obvious that the force of friction will increase if two surfaces are pressed harder. This can be experienced by dragging a mat when nobody is sitting on it and when a person is sitting on it.

Hope this helps.

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