Multiple Choice
A uniform sign is supported against a wall at point P as shown in the figure.If the sign is a square 0.40 m on a side and its mass is 4.0 kg,what is the magnitude of the horizontal force that the wall at P experiences?
A) 20 N
B) 0.00 N
C) 7.8 N
D) 98 N
Correct Answer:

Verified
Correct Answer:
Verified
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