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using hooke's law F spring = k Δ x find the force needed to stretch a spring 2 cm if it has elastic constant of 3 N/cm. A. 2/3 N B. 3/2 N C. 6 N D. 3 N

Verified Answer :

dexteright02

Data:
Hooke represented mathematically his theory with the equation:

 
F = K * x

 
On what:

F (elastic force) = ?
K (elastic constant) = 3 N/cm
x (deformation or elongation of the elastic medium) = 2cm

Solving:

\(F = K * x\)
\(F = 3 \frac{N}{\diagup\!\!\!\!\!\!cm} * 2\diagup\!\!\!\!\!\!cm\)
\(\boxed{\boxed{F = 6N}}\)

Answer:
C. 6 N

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