A 220-Kg Object Is Lifted at a Constant Speed Through

question 53

Multiple Choice

A 220-kg object is lifted at a constant speed through a height of 42 m by a crane. If the crane takes a total time of 1.8 seconds to lift this object, what is the average power required? Use g = 10 m/s².

• A) 25 kW
• B) 51 kW
• C) 75 kW
• D) 100 kW
• E) 150 kW

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Definitions:

Sigmund Freud

An Austrian neurologist and father of psychoanalysis, known for his theories of the unconscious mind, mechanisms of repression, and the structure of the psyche in id, ego, and superego.

Unconscious

The part of the mind that contains thoughts, memories, and desires not within the current awareness but can influence behaviors.

Psychoanalysts

Professionals who practice psychoanalysis, a therapeutic approach developed by Sigmund Freud, focusing on examining the unconscious mind's role in human behavior.

Interpretation

The act of explaining or providing the meaning of something, often used in contexts like literary analysis, data analysis, and psychotherapy.