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Semenov [28]
3 years ago
14

The amount of force applied per given area is

Physics
1 answer:
Sauron [17]3 years ago
4 0

Answer:

Explanation: The amount of force applied per given area is pressure...(F/A)

SI unit=Pascals(Newtons/m^2)

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A) 80 N

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When multiple forces are at work on an object, the net force is called a ______.
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If temperature and the number of particles remain constant, and increase in pressure will cause volume to
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A beam with the following cross section is constructed with concrete of compressive strength of 4,000 psi and three fiberglass r
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3 years ago
If it requires 4.5 J of work to stretch a particular spring by 2.3 cm from its equilibrium length, how much more work will be re
saveliy_v [14]

Answer:

\Delta W=24.1162\ J

Explanation:

Given:

  • work done to stretch the spring, W=4.5\ J
  • length through which the spring is stretched beyond equilibrium, \Delta x=2.3\ cm=0.023\ m
  • additional stretch in the spring length, \delta x=3.5\ cm=0.035\ m

<u>We know the work done in stretching the spring is given as:</u>

W=\frac{1}{2} \times k.\Delta x^2

where:

k = stiffness constant

4.5=0.5\times k\times 0.023^2

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Now the work done in stretching the spring from equilibrium to (\Delta x+\delta x):

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W'=0.5\times 17013.2325\times 0.058^2

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3 years ago
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