Question 7 / 40:  Which of the following correctly describes the deflection of a beam of length L, Young's modulus E, area moment of inertia I subjected to a point load P at the center point of the beam?
A  PL$$^3$$/(48 EI)
B  PL$$^2$$/(48 EI)
C  PL$$^3$$/(48 EI$$^2$$)
D  PL$$^3$$/(48 E$$^2$$I)
E  PL$$^3$$/(8 EI)
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Explanation:

A simple path to choosing among the possible answers listed is to check that the resulting units are those of length. You may wish to review the readings for sub-subunit 3.1.3.

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Mechanics I ME102

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Attribution:  Stephanie Redfern, Ranjeet (Ron) Agarwala, and Dr. Steve Gibbs. Mechanics I. The Saylor Academy 2014, http://www.saylor.org/courses/me102/
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