carmenthegreat2 carmenthegreat2

26-05-2017
Physics

contestada

A force used to lift a 25kg mass to a height of 12m in 5 sec does 2100J of work. How much force is used

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AnnaFlorence AnnaFlorence

29-05-2017

work = force × distance
21000 = force × 12m

we need to rearrange this equation because force isn't on the right side of the equation and it becomes

force = 2100 ÷ 12m
force = 175N

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