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ElenaW [278]
3 years ago
10

It requires a force of 100 N to stretch a spring of negligible mass by a distance of 0.1 m. If the spring instead stretches a di

stance of 0.25 m, how much force was applied to it?
answer choices
1. 200 N
2. 300 N
3. 250 N
4. 100 N
5. 175 N
6. 325 N
7. 150 N
8. 225 N
9. 275 N
Physics
2 answers:
Mariana [72]3 years ago
5 0

by the formula of spring force we know that

F = kx

here we know that

F = 100 N

x = 0.1 m

now we will have

100 = k \times 0.1

k = 1000 N/m

now by similar way if the stretch in spring is 0.25 m

force is given by

F = kx

F = 1000 \times 0.25

F = 250 N

so it will require F = 250 N force

denis-greek [22]3 years ago
3 0

<u>Answer:</u> The force applied on the spring is 250 N

<u>Explanation:</u>

To calculate the spring constant, we use the equation:

F=kx       ......(1)

where,

F = force exerted on the spring = 100 N

k = spring constant = ?

x = length of the spring = 0.1 m

Putting values in equation 1, we get:

100N=k\times 0.1m\\\\k=\frac{100N}{0.1m}=1000N/m

Now, calculating the force exerted on the spring, we use equation 1:

We are given:

k=1000N/m\\x=0.25m

Putting values in above equation, we get:

F=1000N/m\times 0.25m\\\\F=250N

Hence, the force applied on the spring is 250 N

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