A Person Is Dragging a Packing Crate of Mass 100

question 30

Multiple Choice

A person is dragging a packing crate of mass 100 kg across a rough horizontal floor where the coefficient of kinetic friction is 0.400.He exerts a force F sufficient to accelerate the crate forward.At what angle above horizontal should his pulling force be directed in order to achieve the maximum acceleration?

• A) 21.8°
• B) 27.7°
• C) 30°
• D) 34.5°
• E) 45°

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Definitions:

Biogenetic Needs

Essential biological requirements for human survival, such as food, water, and shelter, thought to be influenced by genetic factors.

Adult Ego State

A term from transactional analysis referring to a state of mind that is rational, objective, and oriented towards problem-solving.

Parent Ego State

A concept in Transactional Analysis referring to a set of feelings, attitudes, and behaviors that are learned from parental figures.

Ambiguous Situations

Scenarios or contexts in which information is vague, unclear, or incomplete, leading to uncertainty or multiple interpretations.