NEET Physics Systems Of Particles And Rotational Motion MCQs

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    NEET Questions / Physics / Systems Of Particles And Rotational Motion

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    Centre Of Mass
    Motion Of Centre Of Mass
    Rotational Variables
    Rotational Kinematics
    Rotational Inertia Of Solid Bodies
    Angular Momentum And Conversation Of Angular Momentum
    Rotational Dynamics
    Rolling Motion
    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
    2.

    The motion of the centre of mass is the result of

    A

    Internal forces

    B

    External forces

    C

    Attractive forces

    D

    Repulsive forces

    Question Tags

    📚 Subject:Physics
    📑 Chapter:Systems Of Particles And Rotational Motion
    🎯Topic:Rotational Variables
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Center of mass, External forces, Newton's laws of motion
    3.

    The centre of mass of a system cannot change its state of motion, unless there is external force acting on it. Yet the internal force of the brakes can bring a car to rest. Then

    A

    The brakes stop the wheels

    B

    The friction between the brake pads and the wheel stop the car

    C

    The car is stopped by the road

    D

    The car is stopped by the driver pressing the pedal

    Question Tags

    📚 Subject:Physics
    📑 Chapter:Systems Of Particles And Rotational Motion
    🎯Topic:Rotational Variables
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Center of mass, internal forces, external forces, friction
    4.

    The centre of mass of a system cannot change its state of motion, unless there is external force acting on it. Yet the internal force of the brakes can bring a car to rest. Then

    A

    The brakes stop the wheels

    B

    The friction between the brake pads and the wheel stop the car

    C

    The car is stopped by the road

    D

    The car is stopped by the driver pressing the pedal

    Question Tags

    📚 Subject:Physics
    📑 Chapter:Systems Of Particles And Rotational Motion
    🎯Topic:Rotational Variables
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚡ Time Required :3 mins
    🔄Ncert Concepts :Center of Mass, Internal vs External Forces, Friction

    Showing 1 to 4 of 4 entries

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