Asked by Pearl

A force of 40N stretches a wire through 3cm,what force will stretch it through 5cm and through what length will a force of 100N stretch it? What assumption have you made?
Answered by bobpursley
if you assume a) that the elastic limit wont be met, and b) that is a linear elastic material, then
f=kx
40=k.03 or k= 1333N/m

5cm?
force=k*.05=1333*.05=67N

100=kx
x= 100/1333 = 7.5 cm

check this
Answered by zethan
I'm not too clear with the solution :
Answered by rume
am to sure of that
Answered by Laurina
😎, prefect
Answered by Feranmi
Wow I hope it works
Answered by Perpetua
It is not too clear
Answered by olawale
i really understand it
Answered by Adesewa
It's not clear
Answered by Badmus eniola
I don't really understand this
Answered by Anonymous
I don't understand
Answered by Tressy
I don't get it
Answered by Joy
I dont understand it
Answered by Ransom
Wow it is very correct
Answered by Anonymous
It is correct but it is 13.33
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