The Three Blocks Shown Are Released from Rest and Are

question 7

Multiple Choice

The three blocks shown are released from rest and are observed to move with accelerations that have a magnitude of 1.5 m/s2. What is the magnitude of the friction force on the block that slides horizontally? Disregard any pulley mass or friction in the pulley and let M = 2.0 kg.

• A)6.0 N
• B)5.1 N
• C)5.5 N
• D)4.6 N
• E)3.7 N

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Definitions:

Predetermined Overhead Rate

A rate calculated before a period begins, used to allocate estimated overhead costs to products or services based on a certain activity base.

Variable Manufacturing Overhead

Costs that fluctuate with production volume, such as utilities for the manufacturing plant.

Fixed Manufacturing Overhead

The portion of fixed costs that is directly associated with the production process, including salaries of managers and factory maintenance.

Predetermined Overhead Rate

An estimated charge used for cost allocation within a budget or accounting period, calculated by dividing the estimated manufacturing overhead costs by an allocation base.