A Man of Weight W​_man Is Standing on the Second

question 76

Multiple Choice

A man of weight W​_man is standing on the second floor and is pulling on a rope to lift a box of weight W​_box from the floor below.The rope,which is of negligible weight,has tension T in it,but the pull of the rope is insufficient to lift the box off the floor.What is the magnitude of the normal force that the second floor exerts on the man in this situation?

• A)W​_man
• B)W​_man + T
• C)W​_man + T + a nonzero portion of W​_box
• D)W​_man + T + W​_box

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Definitions:

AVC

Stands for Average Variable Cost, which is the total variable costs (costs that vary with production levels) divided by the quantity of output produced.

AVC

Average Variable Cost refers to the cost of variable inputs divided by the quantity of output produced.

ATC

Average Total Cost; the total cost divided by the quantity produced, representing the cost per unit of output.

AFC

Stands for Average Fixed Cost, which is the fixed costs of production divided by the quantity of output produced.