A Block of Mass M Sits at Rest on a Rough

question 12

Multiple Choice

A block of mass m sits at rest on a rough inclined ramp that makes an angle θ with the horizontal.What must be true about the force F that the ramp exerts on the block perpendicular to the surface of the ramp?

• A)F > mg
• B)F > mg cos θ
• C)F > mg sin θ
• D)F = mg cos θ
• E)F = mg sin θ

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Definitions:

Saliva

A clear liquid secreted by the salivary glands in the mouth, important for digestion and maintaining oral health.

Behaviorists

Psychologists who focus on observable behaviors and the ways in which they're learned, often through conditioning, without reference to mental processes.

Conditioning

A basic kind of learning that involves associations among environmental stimuli and an organism’s behavior.

Unconditioned Response

An automatic, natural reaction to a stimulus that does not require any learning process to occur.