A Block Is Pushed Across a Horizontal Surface by the Force

question 16

Multiple Choice

A block is pushed across a horizontal surface by the force shown. If the coefficient of kinetic friction between the block and the surface is 0.30, F = 20 N, $\theta$ = 30 $\degree$ , and M = 3.0 kg, what is the magnitude of the acceleration of the block?

• A)2.8 m/s2
• B)2.3 m/s2
• C)1.8 m/s2
• D)3.3 m/s2
• E)5.4 m/s2

---

Definitions:

Clear All Markets

A theoretical situation where supply equals demand in all markets, leading to economic equilibrium.

Efficiency

The ability to accomplish a task or a set of tasks with the minimum expenditure of time and resources.

Equity

Fairness or justice in the way people are treated and decisions are made, often relating to economic policies or distribution of resources.

Capital Flows

The transfer of funds to support trade, investment, or business activities, domestically or across borders.