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if a person is pushing a box inside a moving train with force F the work done in the frame of earth will be??

if a person is pushing a box inside a moving train with force F the work done in the frame of earth will be??

Grade:11

2 Answers

Gouri
13 Points
5 years ago
the answer is 
Fbar . (Sbar+snot )
because (Fbar . Sbar) is the work done in the frame of the train.
Snot is the displacement by gravity
 
Arun
25750 Points
5 years ago
If a person is pushing a box inside a moving train, the work done in the frame of train will be\vec{F}.\vec{s} while that in the frame of earth will be\vec{F}.(\vec{s}+\vec{s_{0}}),  where \vec{s_{0}} is the displacement of the train relative to the ground.

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