Recent content by j1ceasar

  1. J

    Zero equilibrium 0 x a force?

    Okay - a classic trap . multiplication times zero . I have a 3 foot bar weighing 10 lbs . its attached along its mid point to an axle . how much torque / force - do I need along its axle ( motorized ) to get it to spin 30 rpm or 60 rpm ? its in equilibrium , but of course it needs FORCE...