Asked by ben green

How much work is done lifting a wrecking ball 6.50 m above the ground?

So the formula for this problem would be:
W=fs F=200kg S=6.50m
(200)(6.50)=1300

Answers

Answered by ben green
I forgot to add the wrecking ball weighs 200kg
Answered by Steve
the problem is, 200kg is the mass, not the weight. You forgot to multiply by g=9.81

You did W = ms, not W=fs

If you had kept track of the units, you'd have spotted your error.

kg * m ≠ work
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