NCERT VIII - Sciences Fill in the blanks: (c) Friction produces _________.
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friction produces heat
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The answer is “friction produces heat. When mechanical energy gets transformed into thermal energy (heat) , that conversion process is called as coulomb damping or dry friction. When two dry objects come in close contact with each other, it experience a compressive force normal (perpendicular) to their virtual motion with one another, they will incline to practice a force that delays this relative motion, which is constant for all nonzero velocities and is relative to the normal force.
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