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valina [46]
3 years ago
9

a spring has constant 250 Newton per meter. if it is stretched a distance of 0.1m, what is the reatoring force?what if it is str

etched a distance of 5 m? why would this probably not really be possible?
Physics
1 answer:
svetlana [45]3 years ago
4 0
At 0.1m, the restoring force would be 25 Newtons. It would probably not be possible to stretch to 5 meters because that would cause a restoring force of 1250 Newtons.
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Which among the following statement/s is correct?
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Answer:

(D) None

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Answer:

F = 156.3 N

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         fr = 52.1 N

Now we can work  with the bottom block

In this case we have two friction forces, one between the two blocks and the other between the block and the surface. In the exercise, indicate that the two friction coefficients are equal

we apply Newton's second law

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as the two blocks are identical

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a

s the normal in the lower block of twice the friction force is

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          F = 3 fr₁

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