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3 questions with no upvoted or accepted answers
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Work done by a force
What is the difference between work done by a force and work done against that force?
Is it true that work by a force = -(work against that force)?
user113344
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Please explain work done
We have learnt that when an force displaces object along its direction then it is work done. so there is dot product in its formula (I guess). So is it also right to say that work done is cross ...
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Is this a good description for potential energy?
The potential energy can be seen as the energy stored in a system that can be "expelled". An object at a height $h$ above its reference point has a potential energy given by $U_{gravitational} = mgh$.
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