An L-Shaped Metal Machine Part Is Made of Two Equal-Length

question 29

Multiple Choice

An L-shaped metal machine part is made of two equal-length segments that are perpendicular to each other and carry a 4.50-A current as shown in the figure. This part has a total mass of 3.80 kg and a total length of 3.00 m, and it is in an external 1.20-T magnetic field that is oriented perpendicular to the plane of the part, as shown. What is the magnitude of the NET magnetic force that the field exerts on the part?

• A) 8.10 N
• B) 11.5 N
• C) 16.2 N
• D) 22.9 N
• E) 32.4 N

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Definitions:

Unit Product Cost

The total cost associated with producing a unit of product, including both direct materials and labor, as well as allocated overhead.

Period Cost

Costs that are expensed in the period in which they are incurred, not directly tied to the production process.

Variable Costing

A financial recording method that counts only the variable expenses related to production (direct materials, direct labor, and variable manufacturing overhead) in the pricing of products.

Variable Costing

A financial recording approach that incorporates only variable manufacturing expenses, such as raw materials, direct workforce, and fluctuating production overheads, into the costs of goods produced.