Two Blocks, a and B, Are Being Pulled to the Right

question 28

Multiple Choice

Two blocks, A and B, are being pulled to the right along a horizontal surface by a horizontal 100-N pull, as shown in the figure. Both of them are moving together at a constant velocity of 2.0 m/s to the right, and both weigh the same. Which of the figures below shows a correct free-body diagram of the horizontal forces acting on the lower block, B?

---

Definitions:

Split Brain

A condition, often resulting from surgery to treat epilepsy, in which the connection between the two hemispheres of the brain (corpus callosum) is severed, affecting communication and coordination between them.

Biological Psychology

A branch of psychology focused on studying the biological bases of behavior and mental states, including the brain's role and the impact of genetic factors.

Physiological Activity

Involves the functions and activities within living organisms and their parts, including all physical and chemical processes.

Psychological Events

Events or phenomena that relate to the mind or mental processes affecting individuals' thoughts, feelings, and behaviors.