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## Homework Statement

A belt drive transmits 56kW from the driver pulley to the driven pulley. If 2.5kW is lost in belt friction, calculate:

1. kW's supplied by driver pulley

2. efficiency of the belt drive expressed as a percentage.

## Homework Equations

%Efficiency = (power output/power input) x 100%

## The Attempt at a Solution

I'm really not sure how to tackle this question, if anyone can help it would be greatly appreciated.

Thanks