The load mass m in the figure is connected to a traveling crane by a rope l length. When the traveling crane is in motion with v speed, when it suddenly stops, the vertical load continues to move and oscillates by rising to the angle  (at this point its speed is reset). a) Find the q angle b) Calculate the force fl in the rope when the load makes angle. m=4kg l=3.5m v=5m/sn

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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.