Question

How much force is necessary to stretch a spring 0.5 m when the spring constant is 190 N/m?

Answer 1

pressure=Force/Area
190=force/0.5
force=3.8N

Answer 2

Given that,

Stretching in the spring, x = 0.5 m

Spring constant, k = 190 N/m

To find,

Force required to stretch.

Solution,

Hooke's law gives the force acting on the spring when it is compressed. It is given by :

$F=-kx\\\\F=-190\ N/m\times 0.5\ m\\\\F=-95\ N$

So, the force required to stretch the spring is 95 N.

Learn more,

Hooke's law

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