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2020 WAEC Physics Theory An elastic material of length 3m is to be stretched to reduce an extension three...

Physics
WAEC 2020

An elastic material of length 3m is to be stretched to reduce an extension three times its original length. Calculate the force required to produce the extension

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Explanation

Calculation of the force needed to produce extension of material
F = Ke
= 988.3 x 3 x 3
= 8840.74N

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