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The product of the force on an object and the displacement the object undergoes along the direction of the force.
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IUPAC vs Physics convention of work done for a slipping block [duplicate]
When a block slips on a rough surface, the work done by the surface on block is negative, while the work done by block on surface is zero. … Now here's the poblem: by the IUPAC convention of work done on the system being positive, we have$$\Delta U=Q+W$$ where $\Delta U$ and $Q$ are the same as the first equation, but $W$ is nonzero. …
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A contradiction to the first law of thermodynamics? [duplicate]
When a block slips on a rough surface, the work done by the surface on block is negative, while the work done by block on surface is zero. … for the table because positive work was done on it. …