Two Blocks Rest on a Horizontal Frictionless Surface as Shown

question 2

Multiple Choice

Two blocks rest on a horizontal frictionless surface as shown. The surface between the top and bottom blocks is roughened so that there is no slipping between the two blocks. A 30-N force is applied to the bottom block as suggested in the figure.
-What is the minimum coefficient of static friction necessary to keep the top block from slipping on the bottom block?

• A)0.05
• B)0.10
• C)0.20
• D)0.30
• E)0.40

---

Definitions:

Key Employee

An employee who has a major impact on a business's operations, often possessing unique skills or knowledge crucial to the business.

Federal Immigration Law

Laws and regulations governing who can enter, stay, or become a citizen of a country, primarily enforced by federal authorities.

Illegal Immigrants

Individuals who enter or reside in a country without the proper authorization or documentation required by immigration laws.

Occupational Safety And Health Act

A law enacted to ensure worker and workplace safety, requiring employers to provide safe and healthy working conditions.