Explain giving two examples each of a contact forces and b non contact forces.
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- EXAMPLES OF CONTACT FORCE -- MUSCULAR FORCE , GRAVITATIONAL FORCE. EXAMPLES OF NON- CONTACT FORCE - MAGNETIC FORCE , ELECTROSTATIC FORCE. Force➫ Any interaction that when unopposed will change the motion of an object. It's SI unit is Newton (N).
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A non-contact force is a force which acts on an object without coming physically in contact with it.[1] The most familiar example of a non-contact force is gravity, which confers weight.[1] In contrast a contact force is a force applied to a body by another body that is in contact with it.[1]
All four known fundamental interactions are non-contact forces:[2]
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