Doubt from Work, Energy and Power

Example 1 :

Example : 2

For example 1 , simply neglect the spring and assume it to be a single rope and find tension in the rope that will be the reading of the spring balance


example 1

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For example 2 I think you did it this way

This is for example 2

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Yepp! Exactly :sweat_smile:

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Thanks a lot for ur efforts.

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Most welcome....