A Block of Mass M Slides Down a Frictionless Plane

question 61

Multiple Choice

A block of mass M slides down a frictionless plane inclined at an angle θ with the horizontal. The gravitational force is directed

• A) parallel to the plane in the same direction as the movement of the block.
• B) parallel to the plane in the opposite direction as the movement of the block
• C) perpendicular to the plane.
• D) toward the center of the Earth.
• E) toward the center of mass of the block.

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Definitions:

Variable-Interval

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, used in behaviorist research.

Intermittently

Occurring at irregular intervals; not continuous or steady, often with pauses or breaks in between.

Variable Ratio

A reinforcement schedule where a response is rewarded after an unpredictable number of responses, making it a powerful method for conditioning stable and high rates of responding.

Reinforcement

In operant conditioning, a consequence that will strengthen an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus.