An 80-N Uniform Plank Leans Against a Frictionless Wall as Shown.The

question 12

Multiple Choice

An 80-N uniform plank leans against a frictionless wall as shown.The torque (about point P) applied to the plank by the wall is:

• A)40 N.m
• B)60 N.m
• C)120 N.m
• D)160 N.m
• E)240 N.m

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