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Darya [45]
3 years ago
9

Feb 11, 9:22:39 AM

Geography
2 answers:
Sergio [31]3 years ago
7 0

Answer:

3.7

Explanation:

Marianna [84]3 years ago
5 0

Answer:

98 667

Explanation:

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While pulling a bicycle out of the garage, you must pull it a total of 17 m with a force of 27 N. How much work are you doing on
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<h2>Answer:</h2>

The Work  W done by a Force F refers to the release of potential energy from a body that is moved by the application of that force to overcome a resistance along a path.

It should be noted that it is a scalar magnitude, and its unit in the International System of Units is the Joule. Therefore, 1 Joule is the work done by a force of 1 Newton when moving an object, in the direction of the force, along 1 meter:

1J=(1N)(1m)=Nm

Now, when the applied force is constant and the direction of the force and the direction of the movement are parallel, the equation to calculate it is:

W=(F)(d)      (1)

When they are not parallel, both directions form an angle, let's call it \alpha. In that case the expression to calculate the Work is:

W=Fdcos{\alpha}     (2)

For example, in order to pull the bicycle out of the garage, you have to apply a force along the distance d to overcome the resistance of the weight of the bicycle.

In this case both (the force and the distance in the path) are parallel, so the work W performed is the product of the force F by the distance traveled d, as shown in equation (1).

Hence:

W=(27N)(17m)  

W=459Nm=459J>>>>This is the work  

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