Solution of task 18.3.22 from the collection of Kepe OE

If the total amount of your purchases from the seller Михаил_Перович more than:
- 16570 ₽ the discount is 15%
- 8285 ₽ the discount is 10%
- 4142 ₽ the discount is 7%
- 1657 ₽ the discount is 5%
- 828 ₽ the discount is 3%
- 414 ₽ the discount is 2%
- 83 ₽ the discount is 1%

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18.3.22
Determine the moment M of the pair of forces that must be applied to the toothed shaft
Wheels 3 for uniform lifting of cargo 1 by weight 900Н. The drum radius r = 0.2 m, the number
Teeth of the wheels z2 = 2z3. (Answer 90)