A 50-Kg Crate Is Resting on a Horizontal Plank

question 38

Multiple Choice

A 5.0-kg crate is resting on a horizontal plank.The coefficient of static friction is 0.50 and the coefficient of kinetic friction is 0.40.After one end of the plank is raised so the plank makes an angle of 25°with the horizontal, the force of friction is:

• A)0 N
• B)20 N
• C)21 N
• D)22 N
• E)44 N

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Definitions:

Role Conflict

A situation in which an individual faces competing expectations from different roles they occupy in society, causing stress or dilemmas.

Role Strain

The stress or tension experienced by an individual when conflicting demands are made on the person within the same role.

Role Inconsistency

The conflict or strain experienced by an individual when the expectations of different roles they occupy clash or are incompatible.

Social Rank

The position or standing of an individual or group within the social hierarchy of a society.