A Block Is Pulled Along a Rough Level Surface at Constant

question 75

Multiple Choice

A block is pulled along a rough level surface at constant speed by the force .The figure shows the free-body diagram for the block. represents the normal force on the block; and represents the force of kinetic friction.
-If the coefficient of kinetic friction, , between the block and the surface is 0.30 and the magnitude of the frictional force is 80.0 N, what is the weight of the block?

• A)1.6 N
• B)4.0 N
• C)160 N
• D)270 N
• E)410 N

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Definitions:

Preindustrial Societies

Societies characterized by limited technological advancement and economies based on subsistence farming or hunting and gathering.

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Societies characterized by a reliance on mechanized labor to create goods, often leading to advanced technology and economic growth.

Economic Organization

The arrangement and coordination of activities and resources within a society or among entities to achieve economic objectives.

Division Of Labor

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