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