A 5-Kg Object Slides Down a Frictionless Surface Inclined at an Angle

question 31

Multiple Choice

A 5-kg object slides down a frictionless surface inclined at an angle of 30º from the horizontal.The total distance moved by the object along the plane is 10 meters.The work done on the object by the normal force of the surface is

• A)zero
• B)0.50 kJ
• C)0.43 kJ
• D)0.58 kJ
• E)0.25 kJ

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Definitions:

Insight Therapies

Approaches to psychotherapy based on the notion that psychological well-being depends on self-understanding.

Action Therapies

Therapeutic approaches that emphasize direct action and behavioral change rather than introspection or cognitive analysis.

Biomedical Therapies

Treatments for mental disorders that involve physiological interventions, such as medication, surgery, or electroconvulsive therapy, to restore normal psychological functioning.

Free Association

A psychoanalytic therapy technique where the patient is asked to freely share thoughts, words, and anything else that comes to mind.