fr fractions cause wastage of energy
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Friction produces unnecessary heat leading to the wastage of energy. The force of friction acts in the opposite direction of motion, so friction slows down the motion of moving objects. Forest fires are caused due to the friction between tree branches.
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Explanation:
Friction is responsible in wastage of energy because due to friction different parts of am machine like a water pumping motor wear and tear because excessive heat is produced, this reduces efficiency of a machine. Due to friction the sole of a shoe is worn out.
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