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marshall27 [118]
11 months ago
14

How much work do you need to do if you use a force of 3 Newtons to move a table 25 meters?

Physics
1 answer:
Harlamova29_29 [7]11 months ago
6 0

The work needed if a force of 3N is used to move a table 25 metres is 75Nm (joules).

<h3>How to calculate work done?</h3>

Work is a measure of energy expended in moving an object. This means that no work is done if the object does not move.

Force is a physical quantity that denotes the ability to push, pull, twist or accelerate a body and which has a direction and is measured in Newtons.

Work done on an object can be calculated by multiplying the force applied to move the object by the distance the object moves as follows:

Work done = Force (N) × distance (m)

According to this question, a force of 3 Newtons is used to move a table over a distance of 25 meters. The work done on the table can be calculated as follows;

W = 3N × 25metres

W = 75Nm

Therefore, 75Nm is the work done on the table.

Learn more about work done at: brainly.com/question/2117638

#SPJ1

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<em>d. 268 s</em>

Explanation:

<u>Constant Speed Motion</u>

An object is said to travel at constant speed if the ratio of the distance traveled by the time taken is constant.

Expressed in a simple equation, we have:

\displaystyle v=\frac{d}{t}

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t  = Time taken to travel d.

From the equation above, we can solve for d:

d = v . t

And we can also solve it for t:

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Two cars are initially separated by 5 km are approaching each other at relative speeds of 55 km/h and 12 km/h respectively. The total speed at which they are approaching is 55+12 = 67 km/h.

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t = 0.0746 hours

Converting to seconds: 0.0746*3600 = 268.56

The closest answer is d. 268 s

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Calculate the force needed to accelerate a car of a mass 1000 kg by 3 m/s2
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Answer:

<h2>3000 N</h2>

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From the question we have

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Hope this helps you

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