A Block of Mass M Is Pulled in the Direction $\theta$

question 51

Multiple Choice

A block of mass m is pulled in the direction shown in the figure across a rough surface with a constant acceleration . The magnitude of the frictional force is

• A) µ_kmg
• B) T cos \(\theta\) - ma
• C) µ_k(T - mg)
• D) µ_kT sin \(\theta\)
• E) µ_k(mg + sin \(\theta\))

---

Definitions:

Endorphins

Natural, pain-relieving chemicals produced by the body that also contribute to feelings of pleasure.

Auditory Stimulation

The process of exciting the auditory system through the use of sound, which can influence various psychological and physiological responses.

Time Lag

The delay or period between the initiation of an action or process and its effect or outcome.

Accurately

With precision and correctness, without errors or distortions.