A weight of 1000 N can be lifted by an effort of 80 N. If the velocit – McqOptions

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1.	A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is
A.	Reversible
B.	Non-reversible
C.	Ideal
D.	None of these
Answer» B. Non-reversible

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