Question

friction is a a type of contact force b type of non contact force c type of pressure d none of these​

Answer 1

Answer:

a friction is a contact force

Explanation:

since friction needs to act in contact with an object it is called contact force

Answer 2

Answer:

A Friction is a Contact force .

Explanation:

As Friction needs to act in contact with an object it is called Contact force .

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