Two 2 by 4 cm 1062 steel bars are butt-spliced with two 3 by 4 cm 1016 splice plates using six M14 -2 bolts where three bolts pass through each of the 1062 bars and the bars are pulled by a force F. Which of the following represents the correct formula for finding the shear stress in the bolt ? (Assume that the bolt threads extend into the shear planes) (6*104) T = .(4/-12 *ח *3) 122/4 'ה *4) T = .(122/4 *ח *2)

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.