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Nonamiya [84]
4 years ago
12

the wires inside a cable each have there own plastic insulation .why does the insulasion have diffrent colours

Physics
1 answer:
marta [7]4 years ago
6 0

A cable is a bundle of two wires or three wires or a thousand wires,
inside a single 'tube'.  In order for the cable to be useful, you need to
be able to match each wire at one end of the cable to the same wire
at the other end.  If each wire has a different physical appearance,
then it's easy.

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A 1000 N object is pulled along a level surface with a horizontal force of 200 N. The object moves with a constant velocity of 2
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0.2 is the value of coefficient of friction (k)

F=kN

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The ratio of the normal force pushing two surfaces together to the frictional force preventing motion between them is known as the friction coefficient. Usually, the Greek letter mu is used to indicate it .N is the normal force, and F is the frictional force, hence F = N/N.

Due to the fact that both F and N are measured in units of force, the coefficient of friction has no dimensions (such as newtons or pounds). The coefficient of friction can have a variety of values for both static and dynamic friction. Static friction occurs when an object encounters friction that resists any applied force, keeping the object at rest until the static frictional force is released. In kinetic friction, the frictional force resists the motion of the object.

To know more about  coefficient of friction visit brainly.com/question/136431

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7 0
1 year ago
If the density of wood is 0.5g/cm3 what is the mass of 1cm3​
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