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i would like some help on how to calculate the forces acting on each gear if the machine had 4

for example gear 1 has a diameter of 100, gear 2 has 300, gear 3 has 133.34 and gear 4 has 266.66

the machine is driven by an 80kW motor through a 2 stage gearbox having four spur gears. The input motor runs at 1850 rev/min and all gears have a pressure angle of 20 degrees

if anyone can give me a helping hand with this it would be of most help thank you

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# Spur gears

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