Question

3.Take a ball and try to move it over the following surfaces:
Towel, crumpled sheet of paper, plastic tray, newspaper
Find out on which surface is it easiest to move the ball.
Note down your observations.









pls tell the answer
regards​

Answer 1

It is most easy to move on a plastic tray and it is most difficult to move on a towel.

Explanation:

• this is because of the coefficient of dynamic friction on the different surface used in plastic tray the surface is very smooth and as a result of this there is smooth movement of the object
• however in case of the towel there are many fibres which makes it difficult for the ball to move. This is because of increase in the value of the coefficient of dynamic friction

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