A uniform sign is supported at P as shown in the figure.If the sign is a square 0.7 m on its side and its mass is 7.0 kg,what is the magnitude of the horizontal force that P experiences? 
Definitions:
Cognitive Skill
The mental abilities that involve the processing of information, such as thinking, learning, remembering, problem-solving, and paying attention.
Mindfulness
A moment-to-moment present awareness with an attitude on non-judgment, acceptance, and openness. Mindfulness meditative practices are effective in reducing psychological and physical symptoms or perceptions of stress.
Tolerate Uncertain
The ability to remain calm and functional despite not knowing outcomes or having incomplete information.
Autonomic Physiological Functions
Bodily functions that are not consciously controlled, such as heart rate, digestion, and respiratory rate.
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