A 400-Kg Block Rests Between the Floor and a 3

question 1

Multiple Choice

A 4.00-kg block rests between the floor and a 3.00-kg block as shown in the figure.The 3.00-kg block is tied to a wall by a horizontal rope.If the coefficient of static friction is 0.800 between each pair of surfaces in contact,what horizontal force F must be applied to the 4.00-kg block to make it move?

• A)16.2 N
• B)54.9 N
• C)21.1 N
• D)23.5 N
• E)78.4 N

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Definitions:

Standard Cost Variances

Differences between the planned (standard) costs and the actual costs incurred.

Cost of Goods Sold

The cost of goods sold (COGS) is the direct cost attributable to the production of goods sold by a company, including the cost of materials and labor.

Standard Cost System

An accounting system that uses estimated costs for material, labor, and overhead to assess performance and control costs.

Materials Quantity Variance

The variance between the real amount of materials consumed during manufacturing and the anticipated amount, as per norms.