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Momentum can be negative.how?

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Momentum can be negative.how?

    • Posted by Md Sagir Alam Ansari 6 years, 9 months ago

    CBSE > Class 09 > Other Subjects
    • 1 answers

    Payal Singh 6 years, 8 months ago

    If we decide that the downward direction is positive (that is displacement, velocity etc.is +ve in the downward direction) then the direction opposite to it is negative.

    If we drop a ball from roof then

    • when the ball falls down it has +ve velocity

    ∴ the product m.v that is momentum is positive (mass cannot be negative) 

    •  after the bounce, the velocity is in the negative direction

    ∴ product m.v that is momentum is negative

    0Thank You

    ANSWER
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