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5. Car engine gets heated on running.Give Reason. Answer in long and from chapter Friction |
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Answer» It is due frictionFriction is a force that opposes MOTION between any SURFACES that are touching. Friction can work for or against us. For example, putting sand on an icy sidewalk INCREASES friction so you are less likely to slip. On the other hand, too much friction between moving parts in a CAR ENGINE can cause the parts to wear out. |
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