Mathematical expression for pulleys speed of driving pulley/speed of driving pul

Question

Mathematical expression for pulleys speed of driving pulley/speed of driving pulley = diameter of driven pulley/diameter of driven pulley Peripheral velocity: of a pulley or any other circular component is the speed at which the rim IS moving. A tractor pulls a tractor generator a force of 15 KN. The power traveled speed of the tractor is 10 km/hr. a. At what speed does the tractor move in m/s? b. Calculate the power required to pull the trailer assuming that the tractor is on flat ground surface. Calculate the stress induced in the piece of metal shown in Figure 1.

Explanation / Answer

Force on tractor generator F=15 kN =15000 N

Speed of the tractor s=10 km/hr

a.

Speed of tractor in m/s =10*(1000 m)/(3600 s)=2.78 m/s

b.

Power required to pull the trailer

P=Fs=(15*1000)*(2.78)=4.17*104 W

P=4.17*104 W

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