mouse has gotten into a peculiar situation. Somehow, the mouse has found himself

Question

mouse has gotten into a peculiar situation. Somehow, the mouse has found himself hanging off the end of the metal structure shown in the figure below. Hopefully the structure can support the 29.8 g mouse because it would not make the fall. The structure is rigidly fixed to a wall and has mass per unit length of 3.85 g/cm and dimensions x = 15.6 cm and y = 24.3 cm, defined as y = 0.1x^2 (where the attachment point P has coordinates x_P = 0, y_p = 0). Calculate the torque about the attachment point P.

Explanation / Answer

Torque = Force x Perpinduclar distance from axis of rotation:

T = (mg)*X

T = 0.29*0.156

=0.045 Nm

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