write any two reason for loss of energy in a machine
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The two cases to decrease the efficiency of machine are friction produced in the machine and the tightness of the parts of the machine and also heat generated by the work done by the machine. Effectiveness of a machine is the proportion of yield vitality to enter vitality.
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Answer: The two cases to decrease the efficiency of machine are friction produced in the machine and the tightness of the parts of the machine and also heat generated by the work done by the machine. Effectiveness of a machine is the proportion of yield vitality to enter vitality.
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