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How are systematic errors removed usuall...

How are systematic errors removed usually for an instrument?
a) By replacing it
b) By re-calibrating it
c) By using a repairing service
d) By not using it for some time

Text Solution

Verified by Experts

As the force is variable, we shall find the work done in a small displacement x to x+dx and then integrate it to find the total work. The work done in this small displacement is
`dW=vecF.vec(dx)=(10+0.5x)dx`
Thsu, `W=int^2.0_0(10+0.50x)dx`
`=[10x+0.50 x^2/2]^20_0=21J
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