A bodybuilder loads a bar with 550 Newtons (~125 pounds) of weight and pushes the bar over her head 10 times. Each time she lifts the weight 0.5 meters. How much work did she do?
9 answers
If she lifts the bar 10 times in 20 seconds, how much power did she use?
1. Work = F*d = 550 * 10*0.5 = Joules.
2. Power = Work/T = Joules/s.
2. Power = Work/T = Joules/s.
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