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What is difference between B(cv) and B(sys) ?

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Old   August 29, 2020, 06:02
Default What is difference between B(cv) and B(sys) ?
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Sagar karan
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From the given image that I have sent,

Suppose B = mv

C.V is under ABCD

At time (t + dt),
B(cv) = mass under c.v gives momentum mv
B(sys) = mass under c.v moves away c.v gives momentum (mv)1

Is my difference between the two is right?

please point out me where I am wrong
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