FIGURE 5-4 -A 4.00-Kg Block Rests Between the Floor and a 3.00-Kg

question 5

Multiple Choice

FIGURE 5-4
-A 4.00-kg block rests between the floor and a 3.00-kg block as shown in Fig. 5-4. 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 force must be applied horizontally 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)78.5 N

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Definitions:

Variable Costs

Costs that change in proportion to the level of production or business activity.

Profit

The financial gain made in a transaction or operation, calculated as the difference between revenue and expenses.

Fixed Costs

Expenses that do not change in relation to levels of production or sales, remaining constant even as output varies.

Unit Variable Cost

The cost associated with producing an additional unit of a product, not including fixed costs that remain constant regardless of production volume.