Frictional force is a type of

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Contact force

Non-contact force

Gravitational force

None of the above

answer is A.

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Detailed Solution

Frictional force is a type of contact force.
Objects in contact exert a force on one another known as contact force. The point of direct contact between the two objects is where the contact force acts. This force may be brief as an impulse or continuous as a continuous force. Newton's Laws govern contact force. Friction is a type of contact force because it occurs when two objects come in contact with each other and, more probably, rub each other. Also, the frictional force is responsible for causing wear and tear.

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