Home
Class 12
PHYSICS
In the block moves up with constant velo...

In the block moves up with constant velocity v m//s. Find F

A

`F=(mg)/(2)`

B

`F=(2mg)/(3)`

C

`F=(mg)/(3)`

D

`F=(m)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
C

`mg`
`3F=mg`
`F=(mg)/(3)`
Promotional Banner

Topper's Solved these Questions

  • AIIMS 2018 PAPER 1

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|37 Videos
  • AIIMS 2019 25 MAY EVENING SHIFT

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|38 Videos

Similar Questions

Explore conceptually related problems

A rod of length l is pivoted smoothly at O is resting on a block of height h . If the block moves with a constant velocity V , pick the current alternatives

Two blocks A and B are shown in figure. Block A moves to the left with a constant velocity of 6m/s. Find : (a) Velocity of the blocks B. (b) Velocity of the point P of the string. Relative velocity of the point M of the cable with respect to the point P.

In the diagram 100kg block is moving up with constant velocity, then find out the tension at point P :

The three block shown in fig. move with constant velocities. Find the velocity of blocks A and B. given V_(P2)=10ms^(-1) darr, V_(C)=2ms^(-1) uarr .

Find the minimum value of F and the tension in the string so that the blocks move with constant velocity. The coefficient of friction at all surfaces is mu . (a) (b) ( c ) (d)

A block of mass m is connected rigidly with a smooth wedge (plank) by a light spring of stiffness k. If the wedge is moved with constant velocity v_0 , find the work done by the external agent till the maximum compression of the spring.

In the figure, what should be mass m so that block A slides up with a constant velocity ?

A 6kg block is kept on an inclined rought surface as shown in figure. Find the force F required to (a) keep the block stationary, (b) move the block downwards with constant velocity and (c ) move the block upwards with on acceleration of 4m//s^(2) . (Take =10m//g^(2))

Block 5 shown in figure moves to the right with a constant velocity of 30 cm/s. Find : (a) The velocity of block A. (b) The velocity of the point P of the string. (c) The velocity of the point M of the string. (d) The relative velocity of the point P of the string with respect to the block A.

A block of mass m is kept on an inclined plane of a lift moving down with acceleration of 2m//s^(2) . What should be the coefficient of friction for the block to move down with constant velocity relative relative to lift?

AIIMS PREVIOUS YEAR PAPERS-AIIMS 2018 PAPER 2-PHYSICS
  1. What is the velocity of electron in second orbital of He^(+) ion.

    Text Solution

    |

  2. A man (mass =50 kg) is in an elevtor with is moving with acceleration ...

    Text Solution

    |

  3. In the block moves up with constant velocity v m//s. Find F

    Text Solution

    |

  4. A solid non-conduction cylinder of radius R is charge such that volume...

    Text Solution

    |

  5. If n inductor of inductance L, radius r, current charges from 1(0) to ...

    Text Solution

    |

  6. If current in diode is five times that in R(1). Breakdown voltage of d...

    Text Solution

    |

  7. What is the out put of the given logic gate

    Text Solution

    |

  8. Find the distance of image from convex lens.

    Text Solution

    |

  9. Range of the ammeter is 5 ampere and full scale diflection current is ...

    Text Solution

    |

  10. Electric field inside the capcitor is 100 V/m and dielectric constant ...

    Text Solution

    |

  11. An injfinite large sheet has charg density sigmaC//m^(2) Find electric...

    Text Solution

    |

  12. A satellite which is revolving around earth has minimum distance from ...

    Text Solution

    |

  13. A particle performing SHM with angular frequency omega=5000 radian/sec...

    Text Solution

    |

  14. A diatomic gas which has initial volume of 10 liter is isothermally co...

    Text Solution

    |

  15. For given CE biasing circuit, if voltage across collector-emitter is 1...

    Text Solution

    |

  16. In a common emitter (CE) amplifier having a voltage gain G, the transi...

    Text Solution

    |

  17. How many minimum NAND GATES are required for obtaining an output of Ag...

    Text Solution

    |

  18. In a solenoid number of turns are N and a current I is passing through...

    Text Solution

    |

  19. Assertion: Linear momentum of a planet does not remain conserved. Re...

    Text Solution

    |

  20. Assertion: In throttling, temperature remains constant. Reason: Thro...

    Text Solution

    |