A Dump Truck Has a Large Cubical Concrete Block in Its

question 16

Multiple Choice

A dump truck has a large cubical concrete block in its bed.The coefficients of friction between this block and the floor of the bed are µ_k = 0.450 and µ_s = 0.650.As the bed is slowly tilted above the horizontal,will the brick first begin to slide or will it first tip over?

• A) It will first tip over.
• B) It will first begin to slide.
• C) It will tip over just as it begins to slide.
• D) It is impossible to answer without knowing the mass of the block.
• E) It is impossible to answer without knowing the dimensions of the block.

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Definitions:

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A term used to describe babies born weighing less than 2,500 grams (about 5 pounds, 8 ounces), often associated with developmental or health issues.

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A stimulant found in coffee, tea, cola, cocoa, and energy drinks, known for its ability to temporarily ward off drowsiness and restore alertness.

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A psychoactive substance that is the active ingredient in drinks such as beer, wine, and spirits, known for its ability to alter mood and behavior.