Frictional Force: Friction is a force exerted by a surface against the motion of a body across its surface. ... Friction is a type of contact force only. Applied Force: Force which is applied to an object by another object. A person pushing a barrel is an example of applied force.
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Explanation:
Types of contact force:
Frictional Force: Friction is a force exerted by a surface against the motion of a body across its surface. ... Friction is a type of contact force only. Applied Force: Force which is applied to an object by another object. A person pushing a barrel is an example of applied force.