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Solution of task 2.1.11 from the collection of Kepe OE
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2.1.11
On the lever with the fixed axis O, the forces F1 = 4H and F2 act.
Determine the modulus of the force F2 necessary to keep the lever in equilibrium if the angles? = 45 °,? = 120 °, the lengths AO = 0.5 m, BO = 0.6 m.
(Answer 2.72)
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