Answered

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A child pulls a sled up a snow-covered hill. The child does 504 J of work on the sled. If the child walks 15 m
up the hill, how large of a force must the child exert?

Sagot :

keijosalonen

Answer: F = 33.6 N

Explanation: work = force · distance or W = F·s

Force F = W/s = 504 J/15 m

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