1.

    A dog of mass mm stands at one end of a flat boat of mass MM and length LL at rest on a frictionless surface of a lake. The dog walks to the other end of the boat and stops. The displacement of the center of mass of the boat-dog system is:

    A

    mL/(M+m)mL/(M+m)

    B

    ML/(M+m)ML/(M+m)

    C

    mL/MmL/M

    D

    0

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Systems Of Particles And Rotational Motion
    🎯Topic:Motion Of Centre Of Mass
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Center of Mass, Conservation of Momentum, External Forces

    Related Questions

    1.

    For an isolated system, the velocity of the centre of mass:

    A

    Increases

    B

    Decreases

    C

    Remains constant

    D

    Is always zero

    Question Tags
    📚 Subject:Physics
    📑 Chapter:Systems Of Particles And Rotational Motion
    🎯Topic:Motion Of Centre Of Mass
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Motion of Centre of Mass, Momentum Conservation

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