A 30-M Rod Is Pivoted About Its Left End

question 13

Multiple Choice

A 3.0-m rod is pivoted about its left end. A force of 10 N is applied perpendicular to the rod at a distance of 1.2 m from the pivot causing a ccw torque, and a force of 5.2 N is applied at the end of the rod 3.0 m from the pivot. The 5.2-N force is at an angle of 30^o to the rod and causes a cw torque. What is the net torque about the pivot? (Take ccw as positive.)

• A) "18 N·m"
• B) "-18 N·m"
• C) "4.2 N·m"
• D) "-4.2 N·m"

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Definitions:

Conformity

The act of matching attitudes, beliefs, and behaviors to what is considered normal or acceptable to society or a particular group.

Obedience

Compliance with an order, request, or law or submission to another's authority.

Social Reproduction

The process by which societies transmit social norms, values, and practices across generations, maintaining existing forms of social structure.

Conflict Theory

A sociological perspective that sees social life as a competition, emphasizing the role of coercion and power in producing social order, particularly focusing on the conflicts between different social classes.