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Charra [1.4K]
3 years ago
14

You pull your little sister across a flat snowy field on a sled. Your sister plus the sled have a mass of 22 kg. The rope is at

an angle of 40 degrees to the ground. As you pull with a force of 31 N, the sled travels a distance of 53 m. How much work do you do?
Physics
1 answer:
kati45 [8]3 years ago
7 0

Answer:

Explanation:

mass of sled, m = 22 kg

Force of pull, F = 31 N

distance move, d = 53 m

Angle between force and distance, θ = 40°

The formula for the work done is

W = F x d x Cos θ

W = 31 x 53 x cos 40

W = 1258.6 J

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