Two Blocks,A and B,are Being Pulled to the Right Along

question 119

Multiple Choice

Two blocks,A and B,are being pulled to the right along a horizontal surface by a horizontal 100-N pull,as shown in the figure.Both of them are moving together at a constant velocity of 2.0 m/s to the right,and both weigh the same. Which of the figures below shows a correct force diagram of the horizontal forces exerted on the upper block,A?

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Definitions:

Optimal Output Rule

The principle that profit is maximized by producing the quantity of output at which the marginal revenue of the last unit produced is equal to its marginal cost.

Marginal Revenue

The additional income earned by a company from selling one more unit of a good or service, reflecting the benefit of increased production.

Marginal Cost

The boost in expense for crafting one more unit of a product or service.

Profits

The financial gain realized when the revenue earned from economic activities exceeds the expenses, costs, and taxes associated with sustaining the activity.