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Temka [501]
3 years ago
10

You carry a 20.N bag of dog food up a 6.0 m flight of stairs.how much work was done

Biology
2 answers:
gavmur [86]3 years ago
4 0
Vertical stairs :P: W = (20 N) * (6.0 m) * cos (0 degrees) = <span>120 Joules

At 45 degrees: W = (20.0 N) * (6.0 m) * cos (45 degrees) =

(20N) * 6m) * (</span><span>0.707106781) = 84.853 Joules</span>
Tcecarenko [31]3 years ago
4 0

Answer:

120 N-m

Explanation:

Work done is equal to the product of  mass of an object and the distance by which it is displaced.

Hence, mathematically the relationship between work done (W), Mass of an object (M) and its displacement (D) is equal to

W = M * D

Substituting the given values in above equation, we get -

W = 20 * 6\\W = 120 N-m

Hence, work of 120 N-m is done here

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