The steel cylinder has a specific weight of 490 l6/ft" and acts as a plug for the 1 ft long slot in the tank. Vw = 62.4lb/ ft³ Determine the resultant force the bottom of the tank exerts on the cylinder when the water in the tank just covers the top of the cylinder, h = 0. %3D

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System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.