JAMB Physics
A machine whose efficiency is 75% is used to lift a load of 1000N. Caalculate the effort put in to the machine if it has a velocity ratio of 4
a.
80%
b.
85%
c.
87%
d.
90%
No Answer Submitted
JAMB Physics
A machine whose efficiency is 75% is used to lift a load of 1000N. Caalculate the effort put in to the machine if it has a velocity ratio of 4
80%
85%
87%
90%
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