Home
Class 12
PHYSICS
An engine of mass 5 xx 104 kg pulls a co...

An engine of mass` 5 xx 104` kg pulls a coach of mass `4xx10kg.` Suppose that there is a resistance of 1 N per 100 kg acting on both coach and engine, and that the driving

A

the acceleration of the system (coach + engine) is 0.04 `m//s^(2)`

B

the acceleration of the system (coach + engine) is 0.05 `m//s^(2)`

C

the tension in the coupling is 2000 N.

D

the tension in the coupling is 2400 N.

Text Solution

Verified by Experts

The correct Answer is:
A, C
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    FIITJEE|Exercise COMPREHENSION-III|2 Videos

  • LAWS OF MOTION

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE)(Level-1) (ASSERTION REASONING TYPE)|2 Videos

  • KINEMATICS

    FIITJEE|Exercise NUMERICAL BASED QUESTIONS DECIMAL TYPE|5 Videos

  • MAGNETIC

    FIITJEE|Exercise Numerical Based Type|2 Videos

Similar Questions

Explore conceptually related problems

A railway engine of mass 50 tons is pulling a wagon of mass 40 tons with a force of 4500N . The resistance force acting is 1N per ton The tension in the coupling between the engine and the wagon is .

A man of mass 50 kg is pulling on a plank of mass 100 kg kept on a smooth floor as shown with force of 100 N. If both man & plank move together, find force of friction acting on man.

An engine of power 58.8 k W pulls a train of mass 2xx10^(5)kg with a velocity of 36 kmh^(-1) . The coefficient of static friction is

A ship of mass 3xx10^(2)kg initially at rest is pulled by a force of 5xx10^(4) N through a distance of 3m. Neglecting frcition, the speed of the ship at this moment is:

The variation of speed of a train (consisting of an engine and 10 identical passenger coaches each of mass 3 xx 10^(3) kg ) with respect to time is as given below. Find the tension in the coupling link connecting engine and the first coach at t = 1 sec .

Two blocks of masses 5 kg and 10 kg are connected by a massless spring as shown in the diagram. A force of 100 N acts on 10kg mass as shown. At a certain instant the acceleration of 5 kg mass is 12 m//s^(2) find the force in the spring and acceleration of 10 kg mass.

FIITJEE-LAWS OF MOTION-ASSIGNMENT PROBLEMS (OBJECTIVE) (Level-II)
  1. A man is standing on a weighing machine placed in a lift. When station...

    Text Solution

    |

  2. A particle of mass M is moving with an acceleration a(0) measured by a...

    Text Solution

    |

  3. An engine of mass 5 xx 104 kg pulls a coach of mass 4xx10kg. Suppose t...

    Text Solution

    |

  4. Two blocks of masses 2.9 kg and 1.9 kg are suspended from a rigid supp...

    Text Solution

    |

  5. Two masses m and M(m lt M) are joined by a light string passing over a...

    Text Solution

    |

  6. A simple pendulum of length L and mass (bob) M is oscillating in a pla...

    Text Solution

    |

  7. In the system shown in the figure, which the following is correct? (Pu...

    Text Solution

    |

  8. Newton's law are valid in

    Text Solution

    |

  9. In the arrangement shown, W(1) = 200N, W(2) = 100 N,mu = 0.25 for all ...

    Text Solution

    |

  10. A uniform chain of length L lies on a smooth horizontal table with it...

    Text Solution

    |

  11. 1 kg and 4 kg blocks lie on a rough horizontal surface. The coefficien...

    Text Solution

    |

  12. Two blocks A and B are kept on a smooth wedge as shown in the figure. ...

    Text Solution

    |

  13. A block is placed over a plank. The coefficient of friction between th...

    Text Solution

    |

  14. A uniform rope of length L is pulled by a constant force F. What is th...

    Text Solution

    |

  15. The linear momentum P of a particle varies with time as follows P=a+bt...

    Text Solution

    |

  16. A block of mass 0.1 is held against a wall applying a horizontal force...

    Text Solution

    |

  17. Find the tension T(2) in the system shown in the figure.

    Text Solution

    |

  18. A block of mass 2kg is suspended through two light spring balances A a...

    Text Solution

    |

  19. Two identical blocks are connected by a light spring. The combination ...

    Text Solution

    |

  20. In the system shown in the figure the mass m moves in a circular arc o...

    Text Solution

    |