Task 00138.
The block, whose mass m = 2.0 kg can be considered uniformly distributed along the rim, rotates with an initial frequency n0 = 12 rpm. The diameter of the block is D = 30 cm. Determine what moment of force must be applied to the block so that it, moving uniformly slow, stops within Δ t = 8.0 s. How many revolutions will it make before stopping?
Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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