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How to solve these questions please send me solution asap answers have been marked

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Tushar goel

8 Years agoGrade 9

1 Answer

Arun

6 Years ago

If plank and ring is combined system then net force on this system is zero

So we can use momentum conservation after ring will start pure rolling

So we will have

Also for condition of pure rolling we can say

now we can say that

now we know that friction force between plank and ring is given as

so we will have

also for torque equation of the ring

now we have

also for plank we will have

now from above equation we have

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