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

question 57

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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Definitions:

Special Indorsement

A method of endorsing a negotiable instrument, where the endorser specifies the person to whom or to whose order the instrument is payable.

Pay to the Order

A phrase used in cheques or negotiable instruments that specifies the person to whom the payment is to be made.

Indorsements

The act of signing one's name on the back of a negotiable instrument to legally transfer it to another party.

Blanket

In a general context, a large fabric designed for warmth, but in various fields can mean a broad coverage or application of something.