Jack Pulls a Sled Across a Level Field by Exerting

question 70

Multiple Choice

Jack pulls a sled across a level field by exerting a force of 110 N at an angle of 30° with the ground.What are the parallel and perpendicular components,respectively,of this force with respect to the ground?​

• A) 190 N,110 N
• B) 110 N,190 N
• C) 95 N,55 N
• D) 55 N,95 N
• E) ​64 N,191 N

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Definitions:

Pleasure Principle

A psychoanalytic concept where human behavior is driven by the desire to seek pleasure and avoid pain.

Psychoanalytic Theory

A theory of psychology and human behavior which posits that unconscious motives and conflicts shape personality and mental disorders.

Collective Unconscious

According to Jung, a storehouse of latent memory traces inherited from people’s ancestral past that is shared with the entire human race.

Defense Mechanism

Psychological strategies used unconsciously to protect oneself from anxiety arising from unacceptable thoughts or feelings.