A machine has a MA of 6.0. The work input needed by the machine to raise a
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A machine has a MA of 6.0. The work input needed by the machine to raise a 40-kg load by 3.0 m is
a. 0.12 kJ
b. 0.20 kJ
c. 1.2 kJ
d. 7.1 kJ
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