Three Identical Uniform Rods Are Each Acted on by Two

question 45

Multiple Choice

Three identical uniform rods are each acted on by two or more forces, all perpendicular to the rods. Which of the rods could be in static equilibrium if an additional force is applied at the center of mass of the rod?

• A) Only 1
• B) Only 2
• C) Only 3
• D) Only 1 and 2
• E) All three

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Definitions:

Conditional Strategy

A behavioral strategy that varies depending on the conditions or context in which an individual finds itself.

Sexual Selection

A mechanism of evolution where certain traits increase an individual's chance of reproducing by making them more attractive or superior in competition for mates.

Sex Role Reversal

A situation in which the traditional reproductive roles of males and females are exchanged.

Ornaments

Decorative features or structures, often relating to animals, that enhance their appearance, possibly playing a role in mating and sexual selection.