To calculate the additional force needed to stretch the material by 40mm, we can first determine the spring constant (k) of the material using the given information.
The formula for Hooke's Law is:
F = kx
Where:
F = force applied (3N)
k = spring constant
x = displacement (25mm)
We can rearrange the formula to solve for k:
k = F/x
k = 3N / 25mm
k = 0.12 N/mm
Now that we have the spring constant (k), we can use it to calculate the additional force needed to stretch the material by 40mm:
F = kx
F = 0.12 N/mm * 40mm
F = 4.8N
Therefore, an additional force of 4.8N will stretch the material by 40mm.
A force of 3N stretches an elastic material by 25mm. What additional force Will stretch the material 40mm? assumed that the elastic limit is not excised
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