Which type of engineering design uses an already existing design

Engineering

1 answer:

Snezhnost [94]3 years ago

3 0

Answer:

Reverse engineering

Explanation:

Reverse Engineering is the remaking of already made products following the deconstruction and examination of the product to make known the product design, code and architecture features, gain knowledge of the composition and construction in a scientific research approach

Reverse engineering is also known as back engineering and consists of three main stages

1) Recovery implementation

2) Design recovery

3) Recovery analysis.

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A force of 50N acts on a roller of mass 15 kg initially at rest on a frictionless surface. The roller travels 12 m while the for

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Answer: 600 J

Explanation:

By definition, the work is the process due to which an applied force causes a mass to move, and can be calculated as the product of the component of the force applied along the direction of the movement, times the distance traveled.

In this case, is W= F*d= 50 N*12 m= 600 J

It can be showed, that the work done on the mass (in absence of friction ) is equal to the change in the kinetic energy of the mass.

If the roller is initially at rest, this means the following:

ΔK= 1/2 m * vf²

Now, applying Newton's 2nd Law, F=m*a ⇒ a= F/m= 3.33 m/s²

If vo=0, we can write the following:

vf²=2*a*x= 2*3.33 m/s²*12m=79.98 m²/s²

Replacing in ΔK, we obtain

ΔK= 1/2*15 kg* 79.98 m²/s²≈ 600 J

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3 years ago

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