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24 June, 22:31

A Jack-In-The-Box is built around a spring with a spring constant of 70 N/m. How hard does the

spring push when you compress it from 40 cm long down to 15 cm long?

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  1. 24 June, 23:06
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    Hooke's Law Formula:

    F = k * x

    •F = Force

    •K = Spring Constant

    •X = spring variation

    Answer:

    F = ?

    K = 70 N/m

    X = 40cm - 15cm (ending length - starting length).

    But we need to change 'cm' to 'm', so we will divide the result of X by 100.

    X = 25/100 → 0.25m

    F = 0.25 * 70

    F = 17.5 N

    - mbsilvaf
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