Question: 4. A beam is supported at both ends, and a force (or load) is exerted on it (see the illustration), causing it to bend (or

4. A beam is supported at both ends, and a force (or load) is exerted on it (see the illustration), causing it to bend (or deflect). The distance, d, (in meters) that a beam deflects is directly proportional to the force, P, (in Newtons) exerted on it and the cube of the length, 4, (in meters); and it is inversely proportional to the modulus of elasticity, E, (measured in Newtons per square meter) and the second moment of area, I, (measured in m)

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