A Horse Harnessed to a Wagon Refuses to Pull,citing Newton's

question 4

Multiple Choice

A horse harnessed to a wagon refuses to pull,citing Newton's third law,which states that for every force there is an equal but opposite reaction force.The horse,incorrect in its reasoning,can pull the wagon because

• A)after it gives a jerk and the wagon is moving,its pulling force will be greater than the reaction to this force.
• B)the law applies only to static cases.
• C)the wagon cannot possibly pull back with a force equal in magnitude to the pulling force.
• D)the action and reaction forces are acting on different bodies.
• E)after friction is overcome,the reaction force is less than the pulling force.

---

Definitions:

Intrinsically Motivated

Being driven by internal rewards, such as personal satisfaction or the joy of doing something for its own sake.

Extrinsic Motivation

Motivation driven by external rewards such as money, fame, grades, and praise, rather than for the sake of the activity itself.

Competent

Having the necessary ability, knowledge, or skill to do something successfully or efficiently.

William McDougall

A psychologist known for his work on social psychology and introducing the concept of the "group mind" and the theory of instincts.