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2 years ago

Distinguish between friction force and motion?

1 answer:

6 0

Friction force is when you rub 2 things together and they get warm. Motion, on the other hand, is if your walking along the sidewalk - you hardly get warmer -------

Unless it's a colder day outside and you're walking SO you decide to rub your hands together to get warm, but if you were just walking , its motion and only motion - no friction :):)

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2 years ago

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A close coiled helical spring of round steel wire 10 mm diameter having 10 complete turns with a mean radius of 60 mm is subject

kow [346]

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The deflection of the spring is 34.56 mm.

Explanation:

Given that,

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$Diameter_{mean} = 120\ mm$

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$\delta=\dfrac{8pD^3n}{Cd^4}$

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2 years ago

Momentum is usually not exactly conserved in a real world demonstration of momentum conservation. What is a possible reason for

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For any collision occurring in an isolated system, momentum is conserved. The total amount of momentum of the collection of objects in the system is the same before the collision as after the collision.

Explanation:

Hope this helps

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3 years ago

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A! Good luck on your test!

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