Any two causes to decrease the efficiency of machine
Answers
Answered by
23
Friction ,weight of the machine or its moving parts and the string(if any) not being completely elastic.
Answered by
10
● 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.
● It is normally communicated as a rate consequently:
efficiency = ( output vitality or energy ) / ( input energy ) * 100
The yield vitality is never equivalent to the information vitality in machines since some measure of vitality is constantly lost by heat because of moving parts.
Similar questions