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Have attached the questions to the image please help me answer it thanks

Have attached the questions to the image please help me answer it thanks 

Question Image
Grade:12th pass

1 Answers

Eshan
askIITians Faculty 2095 Points
3 years ago
Dear student,

If speed is constant,F_{net}=0
\implies F_{ext}=f=\mu mg=75N

Work done by each force=Fdcos\theta

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