Physics · Foundation

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Torque balanceRunning
Torque rig. Counterweight distance at 0.92 m. Load moment 21.6 kN·m, Counter moment 8.28 kN·m. Currently load moment is over by 13.32 kN·m.TUNINGLOAD MOMENTCOUNTER MOMENT
t = 0.0s

Load moment

21.6kN·m

Counter moment

8.28kN·m

0.92 m

Torque rig. Counterweight distance at 0.92 m. Load moment 21.6 kN·m, Counter moment 8.28 kN·m. Currently load moment is over by 13.32 kN·m.

What has to balanceτ1=τ2  ⇒  F1d1=F2d2\tau_1 = \tau_2 \;\Rightarrow\; F_1 d_1 = F_2 d_2

What is happening

You arrive at a cargo crane leaning over a flooded rail yard.

The whole arm is creeping downward. The jib is holding a 12 kN pallet 1.8 m out from the pivot, and the counterweight is parked in the wrong slot.