A 30-Kg Uniform Ladder 12 M Long Is Leaning Against

question 18

Multiple Choice

A 30-kg uniform ladder 12 m long is leaning against a frictionless wall at an angle of 50 degrees above the horizontal.A 45-kg boy climbs 5.0 m up the ladder.What is the magnitude of the force exerted by the ladder on the wall?

• A)200 N
• B)110 N
• C)280 N
• D)140 N
• E)550 N

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Definitions:

Display Rules

Sociocultural norms that dictate appropriate emotional expressions in various contexts.

Feelings Rules

Cultural norms dictating the appropriate emotions to be felt and expressed in various social situations.

Deep Acting

The process of managing emotions by actually trying to feel the emotions one is attempting to display, as opposed to merely acting them out.

Emotional Labor

Emotion work that is done as an occupational requirement or expectation.