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How to choose the sign of the differential?
I know this is a very simple question, and I have searched it too. How to avoid incorrect symbols in calculation results.I don’t understand how to choose the sign of $ds$.
An object moves from a to b,...
- 35
1
vote
1
answer
309
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Integral limits when calculating the work
If I integrate
$$dW= \vec{ F} \cdot d\vec{\ell}$$
which are the limits?
In
$$\int\limits_{W_{inf}}^{W_{sup}}dW= \int\limits_{\vec{\ell}_{1}}^{\vec{\ell}_{2}} \vec{ F} \cdot d\vec{\ell}$$
it is ...
- 175