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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Is Work is energy theorem frame of reference dependent ?
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bhupesh (723)

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Is Work is energy theorem frame of reference dependent ?
    
karthik2007 (3399)

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Could be. If the frame is non inertial, then there will definitely be some modifications in the formula, but the theorem holds good in all frames. We will have to take care of the pseudo forces part, which will give some changes in the formula.

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rajat.khanduja (174)

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Yes it is frame dependent as the term Work itself is frame dependent and so is K.E.

For example, if you pull a block by applying a force F and displace it through s, then the work done by you from ground frame is F.s. but from the block frame is zero.

Also, the K.E. of a object will appear to be different from different frames as the velocity can be different from different frames.

Hope I'm correct.


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