The formula for finding the efficiency of a machine.
A. efficiency = input force/ output force x 100%
B. efficiency = output force/ input force x 100%
C. efficiency = output work/ input work x 100%
D. efficiency = input work/ output work x 100%
Answer:C
The formula for finding the efficiency of a machine.
A. efficiency = input force/ output force x 100% B. efficiency = output force/ input force x 100% C. efficiency = output work/ input work x 100% D. efficiency = input work/ output work x 100%