Asked by Steve

A sign is supported at its top right corner, point P. The sign is a square with 40 cm on each side and has 8.0 kg mass. What is the magnitude of the horizontal force that P experiences?
Answered by MathMate
If the sign is supported <i>only</i> at P, it requires a moment connection and there is no horizontal force.

Assume that the sign is supported at P and the bottom of the same side (40 cm down) is butted against the support.

Take moments:
mg * (40/2) = P*40

Solve for P.
Answered by Yas
Where did the 40/2 come from?
Answered by BasedGod
40/2 Came from Steve's answer, get with it.
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