Recent content by elchoi

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    Torque problem involving bicep holding ball

    Homework Statement A schematic diagram of the human arm is shown holding a heavy iron ball (mass 5.0 kg). The triceps muscle connects to the forearm 3.0 cm to the left of the elbow joint, while the biceps muscle connects 5.0 cm to the right. Each of the muscles can exert an upward force on the...
  2. E

    Equation help - water pressure at bottom of a pond

    equation help -- water pressure at bottom of a pond I'm trying to solve this problem "A car is flipped upside down in a pond, .50m below the surface, how much force is needed for the driver to push open the door." I got this wrong because the formula that was chose was F = (P - (P+rho x g x y))...