A spiral spring extends by 5m under a load of 60N when the load is replaced by a steel block,the new extension is 7cm,the weight of the steel block is?

Answer 1

To find the weight of the steel block, we can use Hooke's Law:

F = kx

Where:
F = force (weight of the steel block)
k = spring constant
x = extension

First, let's find the spring constant using the first scenario:

60N = k(5m)

k = 60N / 5m
k = 12 N/m

Now, we can use the spring constant and the new extension to find the weight of the steel block:

F = 12N/m * 0.07m
F = 0.84N

Therefore, the weight of the steel block is 0.84N.