A wheel and axle have radii 80cm and 10cm respectively. If the efficiency of the machine is 0.85, an applied force of 1200N to the wheel will raise a load o...

A wheel and axle have radii 80cm and 10cm respectively. If the efficiency of the machine is 0.85, an applied force of 1200N to the wheel will raise a load of

Answer Details

Efficiency = m.A x 1V.R$\frac{1}{V.R}$ x 100%

85 = load1200$\frac{load}{1200}$ x 1080$\frac{10}{80}$ x 1001$\frac{100}{1}$