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maria [59]
3 years ago
11

Hirryyyyy huryyyyyyy

Physics
2 answers:
Anit [1.1K]3 years ago
7 0

Answer:

What?

Explanation:

Assoli18 [71]3 years ago
6 0

Explanation:

ummmmmmmmmmmmmmmmm ok

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Sarah weighs 500 newtons. She climbs a set of stairs 6 meters high. How much work does she do? 83 J Work equals force times dist
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Answer:

<em>Answer: Work equals force times distance. 3,000 J</em>

Explanation:

Work Done By A Force

When some force \vec F is applied and a displacement \vec r is achieved, the work done by the force is given by

W=\vec F \cdot \vec r

Note that the work is a scalar magnitude as the result of the dot-product of two vectors. If the force and the displacement are parallel, then the vectors can be replaced as its magnitudes F,x and the work is

W=F.x

The dot product becomes a simple arithmetic product, i.e force times distance.

Sara weighs 500 Nw and she climbs up a 6 meter set of stairs. She needs to lift her weight up, so the force is the weight and the distance is the height of the stairs, thus

W=500\ Nw.\ 6\ m=3,000\ Joule

Answer: Work equals force times distance. 3,000 J

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