Question

A spring has an unstretched length of 12.0 cm. It's spring constant (k) is 8.0 N/cm. What load is needed to stretch the spring to a length of 15.0 cm?


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Answer 1

Answer:

24N

Explanation:

to get the force for the spring before streching apply the hookes law formula which is f=kx

k=8.0n/m

z=12

f=8*12 which is 96

then cris cross

96--->12

x------->15

u get this x as 120

then minus 120 with 96 u get the 24 as u subtracted force after streching and before hope you understood.

Answer 2

Answer:

24N

Explanation:

f=x

k=8.0N

x/e=15-12=3

so F=8.0Nx3=24N

ans=24N