When a 40-N Force, Parallel to the Incline and Directed

question 17

Multiple Choice

When a 40-N force, parallel to the incline and directed up the incline, is applied to a crate on a frictionless incline that is 30° above the horizontal, the acceleration of the crate is 2.0 m/s², up the incline.The mass of the crate is:

• A)3.8 kg
• B)4.1 kg
• C)5.8 kg
• D)6.2 kg
• E)10 kg

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Definitions:

Schachter and Singer's

Psychologists who proposed the two-factor theory of emotion, suggesting that emotion is based on physiological arousal and cognitive labels.

Plutchik's

Refers to Robert Plutchik's psychoevolutionary theory of emotion, which categorizes emotions into eight primary types forming a wheel.

James-Lange

A theory of emotion that posits emotions arise from physiological responses to stimuli, rather than being the cause of such responses.

Cannon-Bard

A theory in psychology that suggests emotions and physiological reactions occur simultaneously and independently in response to a stimulus.