A Block Slides Down a Frictionless Plane That Makes an Angle

question 50

Multiple Choice

A block slides down a frictionless plane that makes an angle of 30°with the horizontal.The acceleration of the block is:

• A)9.80 m/s²
• B)5.66 m/s²
• C)8.49 m/s²
• D)0 m/s²
• E)4.90 m/s²

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Definitions:

Psychoanalyst

A practitioner of psychoanalysis, a therapeutic method developed by Sigmund Freud, which explores unconscious conflicts, desires, and experiences to treat psychological disorders.

Behaviorist

A psychologist who studies and works within the theory that behavior can be explained in terms of conditioning, without appeal to thoughts or feelings.

Stress-inoculation Therapy

A form of cognitive-behavioral therapy that teaches individuals coping skills to manage and reduce their response to perceived stressors before they occur.

Physical Fitness Techniques

Methods or activities designed to improve or maintain one’s physical health and strength.