how is displacement between 2 points is horizontal
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Vertical displacement is distance moved in a vertical direction. Horizontal displacement is similarly distance moved in the horizontal direction (however those are defined).
So, a beam can fail by having too much displacement: A floor, for example, might be plenty strong enough to carry the loads placed upon it, but flexes so much as to provide an unacceptable “bounce”. The problem here is that the floor moves too much under load, that is, it has to great of a displacement.
So, a beam can fail by having too much displacement: A floor, for example, might be plenty strong enough to carry the loads placed upon it, but flexes so much as to provide an unacceptable “bounce”. The problem here is that the floor moves too much under load, that is, it has to great of a displacement.
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Explanation:
Thus, from triangle DEC, we can say that cosθ=DECD . From the distance formula, we can say the that the length of DE is 12√3 and CD is √32 . Therefore, the angle between two faces is cos−113 . So, the correct answer is “Option B”.
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