Question: thank u Please tell me the answer Please Please Please Please Please lb] A painter sets up a uniform plank so he can paint a

thank u Please tell me the answer Please Please Please Please Please

lb] A painter sets up a uniform plank so he can paint a wall. force A force B length of plank 3 m The plank is 3 m long and weighs 500 N. (i) Use the principle of moments to show that the upward force A is 250 N. {4)

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