Solution of task 3.3.3 from the collection of Kepe OE

Solution of task 3.3.3 from the collection of Kepe OE

3.3.3
A pair of forces with a torque M2 = 200 Nm acts on the link BС of the articulated arm. Determine the moment M1 of the force pair, which must be applied to the crank OA, in order for the mechanism to be in equilibrium, if the lengths of the links BC = 2OA = 400 mm. (Answer 100)