The diagram shows a uniform bar of length 120 cm and weight W. The bar is pivoted at a point 40 cm from the left end of the bar. A load of W/2 is suspended from the right-hand end of the bar. A downward force F is applied to the left-hand end of the bar to keep it in equilibrium. What is the magnitude of force F ?
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the diagram shows only w/5 how 2vis possible
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