Задача id8904

Gear 2 is driven by gear 1, to which torque M is applied (Fig. 69). The gear radii are equal to R1 and R2; the mass of the first gear is zero, the mass of the second gear is m, and its radius of gyration is p; the movement of the system begins from a state of rest. Find the angular velocity of gear 2 at the moment when it rotates through an angle φ.

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