Question

why movement is difficult on rough surfaces​

Answer 1

Answer:

Rough surfaces have greater friction than smooth surfaces. Rough surfaces have grooves on them. When two rough surfaces are in contact, the grooves of one go inside the grooves of the other, thus making the movement. ... Therefore sliding of a body on rough surface is difficult due to increased frictional force.

Explanation:

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Answer 2

Answer:

Rough surfaces have greater friction than smooth surfaces. Rough surfaces have grooves on them. When two rough surfaces are in contact, the grooves of one go inside the grooves of the other, thus making the movement. ... Therefore sliding of a body on rough surface is difficult due to increased frictional force.

Explanation:

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