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erastovalidia [21]
3 years ago
15

Calculate how much work you need to move a 280 N shed to a platform 5 m above.

Physics
1 answer:
castortr0y [4]3 years ago
6 0
Work is done when a motion resulted from the force being done by an object. The amount of work done is calculated by multiplying the force applied and the distance traveled. It is calculated as follows:

Work = Force x distance = 280 N x 5 m  =  1400 J.
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A force of constant magnitude pushes a box up a vertical surface, as shown in the figure.
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The work done by the force of gravity is 75.95 J

The work done on the box by the normal force is 75.95 J.

<h3>The given parameters:</h3>
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  • Distance moved by the box, d = 2.5 m
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<h3>What is work - done?</h3>
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The work done on the box by the applied force is calculated as;

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a is the acceleration of the box

The acceleration of the box is zero since the box moved at a constant speed.

W = (0) d \times cos(30)\\\\W = 0 \ J

The work done by the force of gravity is calculated as follows;

W = mg \times d\\\\W = 3.1 \times 9.8 \times 2.5 \\\\W = 75.95 \ J

The work done on the box by the normal force is calculated as follows;

W = (F_n) \times d\\\\W = (mg + F sin\theta) \times d\\\\W = (mg + 0) \times d\\\\W = mgd\\\\W = 3.1 \times 9.8 \times 2.5\\\\W = 75.95 \ J

Learn more about work done here: brainly.com/question/8119756

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