Physics tension - A 100kg man stands 1m from the end of a 4m long scaffold which weighs 750N. what are the mag?
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I'm guessing you want the values of the forces at the supports which I'm assuming are on the ends So sum moments about one end 100*9.8*1 + 750*2 - FB*4 = 0 so FB = (980 + 1500)/4 = 620N Sum vertical forces FA + FB - 100*9.8 - 750 = 0 so FA = 980 + 750 - 620 = 1110N
