19.3.9
Determine the gravity G1 of the rink 1 if, at the time when the angle α = 45 °, the principal inertial force vectors Φ1 = Φ2 = 10H, the principal moments of the inertia forces M1Φ = M2Φ = 0.5 Nm. Radius r = 0.1 M, the mass of body 3 is neglected. (Answer 30)