If a person is pushing a box inside a moving train, the work done in the frame of earth will be (Let$$ s→$$0$$ is the displacement of train and s→ is the displacement of box in the $$train)

Correct option is 3F→.(s→+s→0)

Questions

If a person is pushing a box inside a moving train, the work done in the frame of earth will be ( $L e t {\vec{s}}_{0}$ is the displacement of train and $\vec{s}$ is the displacement of box in the train)

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F→.s→0

F→.s→

F→.(s→+s→0)

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detailed solution

Correct option is C

Displacement of the box relative to the frame of earth will be s→+s→0 .Hence required work done W=F→(s→+s→0)

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If a person is pushing a box inside a moving train, the work done in the frame of earth will be (Let s→0 is the displacement of train and s→ is the displacement of box in the train)

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If a person is pushing a box inside a moving train, the work done in the frame of earth will be ( $L e t {\vec{s}}_{0}$ is the displacement of train and $\vec{s}$ is the displacement of box in the train)