A Rock Attached to a String Swings in a Vertical

question 24

Multiple Choice

A rock attached to a string swings in a vertical circle. Which free-body diagram could correctly describe the force(s) on the rock when the string is in one possible horizontal position, where is the normal force, is weight, and is tension?

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Definitions:

B.F. Skinner

An American psychologist and behaviorist known for his work in operant conditioning, emphasizing the role of reinforcement and punishment in shaping behavior.

Mirror Neurons

Neurons that fire both when an individual performs an action and when they observe the same action being performed by another, thought to be fundamental in imitation, empathy, and social understanding.

Active

Engaging or ready to engage in physically energetic pursuits.

Mirror Neurons

Neurons that fire both when an individual acts and when the individual observes the same action performed by another, thought to play a role in learning and empathy.