A 15-Kg Block Is on a Frictionless Ramp That Is

question 6

Multiple Choice

A 15-kg block is on a frictionless ramp that is inclined at 20° above the horizontal. It is connected by a very light string over an ideal pulley at the top edge of the ramp to a hanging 19-kg block, as shown in the figure. The string pulls on the 15-kg block parallel to the surface of the ramp. Find the magnitude of the acceleration of the 19-kg block after the system is gently released?

• A)4.0 m/s²
• B)3.8 m/s²
• C)4.2 m/s²
• D)4.5 m/s²

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Definitions:

Budget Standard Cost

Expected cost of goods or services set during a budgeting process, which serves as a guideline for managing and controlling future costs.

Markup Percentage

A ratio that shows how much a product’s selling price exceeds its cost, expressed as a percentage of the cost.

Variable Cost

Costs that vary directly with the level of production or service activity.

Contribution Margin

The difference between the sales revenue of a product and its variable costs.