Question

Frictional force between two surfaces come into play only when the two

surfaces_______.

A) are away from each other B) are close to each other

C) are in physical contact D) do not touch each other

4. To ensure that you do not sink into snow as you walk on it, your shoe
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Answer 1

Answer:

A)

Explanation:

they are in physical contact

Answer 2

Answer:

frictonal force between two surfaces come into play only when the two surfaces =are in physical contact