Question

how is the seed of a rolling ball effected by the surfaces sand , marble floor

Answer 1

Answer:

friction

Explanation:

Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.

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Answer 2

Hello,

the speed of rolling ball will be less on sand than on the marble floor. Sand surface offers more friction to the rolling ball and hence reduces is speed ( Friction is inversely proportional to speed), whereas the opposite happens in the case of marble floor.

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