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

question 26

Multiple Choice

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

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

---

Definitions:

Pilot Experiment

An initial small-scale study conducted to test the feasibility, time, cost, risk, and adverse outcomes of a research project.

Large-Scale Study

A research project or experiment that involves a large number of participants or data points, providing more generalizable results.

Feasibility

The measure of how possible or viable it is to achieve a goal or complete a project, often evaluated in terms of resources, time, and technology.

Successful Entrepreneurs

Individuals who have achieved significant success in creating and managing ventures that bring innovative products or services to market.