Home
Class 11
PHYSICS
In the pulley-block system shown in figu...

In the pulley-block system shown in figure, strings are light. Pulleys are massless and smooth. System is released from rest. In `0.3` seconds.
.

A

work done on 2 kg block by gravity is 6 J

B

work done on 2 kg block by string is `-2 J`

C

work done on 1 kg block by gravity is `1.5 J`

D

work done on 1 kg block by string is 2 J

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER AND ENERGY

    DC PANDEY ENGLISH|Exercise C Comprehension Type Questions|18 Videos

  • WORK, POWER AND ENERGY

    DC PANDEY ENGLISH|Exercise D Matrix Matching Type Questions|10 Videos

  • WORK, POWER AND ENERGY

    DC PANDEY ENGLISH|Exercise A Only One Option is Correct|42 Videos

  • WORK, ENERGY AND POWER

    DC PANDEY ENGLISH|Exercise MEDICAL ENTRACES GALLERY|33 Videos

Similar Questions

Explore conceptually related problems

A ring of mass m can slide on the vertical smooth rod. Ring is connected by block with string as shown in figure. Pulley is of mass-less and smooth the system is released from reast. Initial tension in string is

Find the natural frequency of the system shown in figure. The pulleys are smooth and massless.

In the fig. m_(2) gt m_(1) . Pulley and string and massless and Pulley is smooth. The system is released from rest. After 2 seconds of motion m_(2) was held with the hand.

In the arrangement shown in fig., all pulleys are smooth and massless. When the system is released from the rest, acceleration of block 2 and 3 relative to 1 are 1 ms^(-2) downwards and 5ms^(-2) downwards, respectively. Acceleration of block 3 relative to 4 is zero. Find the absolute acceleration of block 1.

In the arrangement shown in fig., all pulleys are smooth and massless. When the system is released from the rest, acceleration of block 2 and 3 relative to 1 are 1 ms^(-2) downwards and 5ms^(-2) downwards, respectively. Acceleration of block 3 relative to 4 is zero. Find the absoulte acceleration of block 4.

In the arrangement shown in fig., all pulleys are smooth and massless. When the system is released from the rest, acceleration of block 2 and 3 relative to 1 are 1 ms^(-2) downwards and 5ms^(-2) downwards, respectively. Acceleration of block 3 relative to 4 is zero. Find the absoulte acceleration of block 2.

An ideal string pulley system is shown in the figure and system is released from rest choose correct option

In the balance machine shown in the figures. Which arm will move downward after the system is released from rest (assuming stiring, arm of balance machie and the pulley to be light)

In the system shown in the figure, which the following is correct? (Pulleys and strings are of negligible mass)

The pulley is light and smooth : the strings are inextensible and light. The system is released from rest, find the acceleration of each block, tensions in the strings and reaction in pulley.

DC PANDEY ENGLISH-WORK, POWER AND ENERGY-B More than One Option is Correct
  1. A block is suspended by an ideal spring of force constant force F and ...

    Text Solution

    |

  2. The potential energy U in joule of a particle of mass 1 kg moving in x...

    Text Solution

    |

  3. In a projectile motion, power of the gravitational force

    Text Solution

    |

  4. Displacement time graph of a particle moving in a straight line is as ...

    Text Solution

    |

  5. A smooth track in the form of a quarter circle of radius 6 m lies in t...

    Text Solution

    |

  6. A particle is acted upon by only a conservative force F=(7hat(i)-6hat...

    Text Solution

    |

  7. A block of mass M(1) is attached with a spring constant k. The whole a...

    Text Solution

    |

  8. Two blocks A and B having different kinetic energies K(A) and K(B)(gt ...

    Text Solution

    |

  9. A force F = - kx^(3) is acting on a block moving along x-axis. Here, k...

    Text Solution

    |

  10. Power of a force acting on a block varies with time t as shown in figu...

    Text Solution

    |

  11. Displacement time graph of a particle moving in a straight line is as ...

    Text Solution

    |

  12. In the pulley-block system shown in figure, strings are light. Pulleys...

    Text Solution

    |

  13. A particle is acted upon by a force of constant magnitude which is alw...

    Text Solution

    |

  14. A block slides down a smooth inclined plane and then moves on to a rou...

    Text Solution

    |

  15. A block of mass m is pulled by a force of constant power P placed on a...

    Text Solution

    |

  16. A force of constant magnitude F(0) is applied in the tangential direct...

    Text Solution

    |

  17. A bead slides on a fixed frictionless wire bent into a horizontal semi...

    Text Solution

    |

  18. A block of mass m is placed on a circular track and then it is given a...

    Text Solution

    |

  19. In the system as shown in figure, the blocks have masses m(1) and m(2...

    Text Solution

    |

  20. Instentenous power delivered by engine of a car of mass 18 kg moving o...

    Text Solution

    |