Home
Class 11
PHYSICS
A boy of mass m is standing on a block o...

A boy of mass m is standing on a block of mass M kept on a rough surface. When the boy walks from left to right on the block, the centre of mass (boy + block) of the system :

A

remains stationary

B

shifts towards left

C

shifts towards right

D

shifts toward right if `M gt m` and toward left if `M lt m`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • IMPULSE AND MOMENTUM

    ANURAG MISHRA|Exercise L-2|21 Videos

  • IMPULSE AND MOMENTUM

    ANURAG MISHRA|Exercise L-3,(P-1)|5 Videos

  • IMPULSE AND MOMENTUM

    ANURAG MISHRA|Exercise Example|50 Videos

  • FORCE ANALYSIS

    ANURAG MISHRA|Exercise Matching type|13 Videos

  • RIGID BODY MOTION

    ANURAG MISHRA|Exercise MATCH THE COLUMN|12 Videos

Similar Questions

Explore conceptually related problems

A boy of mass m is standing on a block of mass M kept on a rough surface. When the boy walks from left to right on the block, the centre of mass (boy + block) of system :

A boy of mass m is standing at one end of a boat of mass M and length l. The boy walks to the other end, the displacement of the

In a free space a rifle on mass M shoots a bullet of mass m at a stationary block of mass M distance D away from it . When the bullet has moved through a distance d towards the block the centre of mass of the bullet - block system is at a distance of :

A block of mass m is at rest over the rough surface of the fixed wedge.

A block of mass m slides down along the surface of the bowl from the rim to the bottom as shown in fig. The velocity of the block at the bottom will be-

A boy of mass 50kg is standing at one end of a boat of length 9m and mass 400kg . He runs to the other end. The distance through which the centre of mass of the boat boy system moves is

A block of mass m moves on a horizontal rough surface with initial velocity v . The height of the centre of mass of the block is h from the surface. Consider a point A on the surface.

A block of mass m is placed on a triangular block of mass M(M = 2m) , as shown. All surfaces are smooth. Calculate the velocity of triangular block when the smaller block reaches at bottom.

A block of mass m is placed on another block of mass M which itself is lying on a horizontal surface .The coefficient of friction between two blocks is mu_(1) and that between the block of mass M and horizontal surfece is mu_(2) What maximum horizontal force can be applied to the lower block move without separation?

ANURAG MISHRA-IMPULSE AND MOMENTUM-Level 1
  1. A set of n identical cubical blocks lies at rest parallel to each othe...

    Text Solution

    |

  2. A boy of mass m is standing on a block of mass M kept on a rough surfa...

    Text Solution

    |

  3. A uniform sphere is placed on a smooth horizontal surface and a horizo...

    Text Solution

    |

  4. An open water tight railway wagon of mass 5xx10^(3) kg coasts at initi...

    Text Solution

    |

  5. A body falling vertically downwards under gravity breaks in two parts ...

    Text Solution

    |

  6. A block of mass M is placed on the top of a bigger block of mass 10 M ...

    Text Solution

    |

  7. In the figure shown, the two identical balls of mass M and radius R ea...

    Text Solution

    |

  8. A ball kept in a closed box moves in the box making collisions with th...

    Text Solution

    |

  9. Two identical billiard balls are in contact on a table. A third identi...

    Text Solution

    |

  10. A ball is projected from ground with a velocity V at an angle theta to...

    Text Solution

    |

  11. A sphere moving with velocityv strikes elastically with a wall moving ...

    Text Solution

    |

  12. On a horizontal smooth surface a disc is placed at rest. Another disc ...

    Text Solution

    |

  13. A ball is thrown vertically downwards with velocity sqrt(2gh) from a h...

    Text Solution

    |

  14. A ball is projected with initial velocity u at an angle theta to the h...

    Text Solution

    |

  15. A ball is dropped from a height h. As it bounces off the floor, its sp...

    Text Solution

    |

  16. Internal forces can change

    Text Solution

    |

  17. In an elastic collision of two billiard balls which of the following q...

    Text Solution

    |

  18. A block of mass M lying on a smooth· horizontal surface is rigidly att...

    Text Solution

    |

  19. A boy hits a baseball with a bat an imparts an impulse J to the ball. ...

    Text Solution

    |

  20. A shell is fired from a cannon with a velocity v (m//sec.) at an angle...

    Text Solution

    |