3. What is the difference between contact forces and non-contact forces? Give some examples of both forces.
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Explanation:
Examples of contact forces include:
Reaction force. An object at rest on a surface experiences reaction force . ...
Tension. An object that is being stretched experiences a tension force. ...
Friction. Two objects sliding past each other experience friction forces. ...
Air resistance.
A non-contact force is a force which acts on an object without coming physically in contact with it. The most familiar example of a non-contact force is gravity, which confers weight. In contrast a contact force is a force applied to a body by another body that is in contact with it.
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Explanation:
Contact force exerted by one object on another when they are in contact with each other is contact force example taking a ball
non contact forces exerted by object on another without any contact with each other are called non contact force example magnetic force
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