Two Blocks,joined by a String,have Masses of 6

question 37

Multiple Choice

Two blocks,joined by a string,have masses of 6.0 and 9.0 kg.They rest on a frictionless,horizontal surface.A second string,attached only to the 6.0-kg block,has horizontal force = 45 N applied to it.Both blocks accelerate.Find the tension in the string between the blocks.

• A) 18 N
• B) 27 N
• C) 12 N
• D) 9.0 N

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Definitions:

Variable Costs

Expenses that vary in direct proportion to changes in activity levels or volumes, such as raw materials and direct labor costs.

Fixed Costs

Costs that remain constant in total regardless of changes in the activity level within a relevant range.

Fixed Costs

Costs that do not vary with the level of output or sales in the short term, such as lease payments, insurance, and salaries of permanent staff.

Variable Costs

Costs that change in proportion to the level of production or sales volume.