Physics NECO SSCE 2001 Work, Energy, Power & Simple Machines
The statement that the mechanical advantage of a machine is 3 means that the
A
efficiency is 33\(\frac{1}{3}\)%
B
effort is three times as large as the load
C
mechanical advantage is 3 times as large as the velocity ratio
D
ratio of the effort to the load is 1: 3
E
Velocity ratio is 3
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