The 2 0 m long 15 kg beam in figure is hinged at its left

Last updated: 4/26/2023

The 2 0 m long 15 kg beam in figure is hinged at its left end It is falling rotating clockwise under the influence of gravity and the figure shows its position at 3 different times Express only the numerical portion of the answer and indicate whether the sign is positive or negative a What is the gravitational torque on the beam about an axis through the hinged end when the beam is in the middle position b What is the sign of the torque Write positive or negative 2 0 m 450 20 k