Home
Class 11
PHYSICS
One end of a massless rope, which passes...

One end of a massless rope, which passes over a massless and frictionless pulley P is tied to a hook C while the other end is free. Maximum tension that the rope can bear is 360 N. With what value of maximum safe acceleration (in `ms^-2`) can a man of 60kg climb down the rope?

A

(a) 16

B

(b) 6

C

(c) 4

D

(d) 8

Text Solution

Verified by Experts

The correct Answer is:
C

`mg-T=ma`
`:.` `a=g-T/m=10-360/60=4m//s^2`
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMODYNAMICS

    SUNIL BATRA (41 YEARS IITJEE PHYSICS)|Exercise JEE Main And Advanced|219 Videos
  • MECHANICAL PROPERTIES OF MATTER AND FLUIDS

    SUNIL BATRA (41 YEARS IITJEE PHYSICS)|Exercise Subjective Problems|1 Videos

Similar Questions

Explore conceptually related problems

One end of a massless rope, which passes over a massless and frictionless pulley P is tied to fixed hook C, while the other end is free. Maximum tension that the rope can bear is 960 N. With what value of max. safe acceleration (m//s^(2)) can a man of 60 kg climb on the rope?

One end of massless rope, which passes over a massless and frictionless pulley P is tied to a hook C while the other end is free. Maximum vertical force that the clamp can bear is 180 N. With what value of minimum safe acceleration ( in ms^(-2) ) can a man of 60 kg climp down the rops ?

The maximum tension a rope can withstand is 60 kg-wt The ratio of maximum accelertion with which two boys of masses 20kg and 3kg can climb up the rope at the same time is .

Figure 5-55 shows a man sitting in a bosun's chair that dangles from a mass-less rope, which runs over a massless, frictionless pulley and back down to the man's hand. The combined mass of man and chair is 103.0 kg. With what force magnitude must the man pull on the rope if he is to rise (a) with a constant velocity and (b) with an upward acceleration of 1.30" m"//"s"^(2) ?

A cat of mass m = 1 kg climbs to a rope hung over a leight frictionless pulley. The opposite end of the rope is tied to a weight of mass M = 2m lying on a smooth horizontal plane. What is the tension of the rope where the cat move upwards with in acceleration a = 2 m//s^(2) relative to the rope ?

Tow men of masses m_(1)and m_(2) hold on the opposite ends of a rope passing over a frictionless pulley. The men m_(1) climbs up the pore with an acceleration of 1.2m//s^(2) relative to the rope. The mann m_(2) climbs up the rope with an acceleration of 2m//s^(2) relative to the rope. Find the tension in the rope if m_(1)40 kg and m_(2)=60kg. Also find the time after the time after which they will be at same horizontal level if they start from rest and are initially separted by 5 m.

A 24 kg block resting on a floor has a rope tied to its top. The maximum tension , the rope can withstand without breaking is 310 N . The minimum time in which the block can be lifted a vertical distance of 4.6 m by pulling on the rope is

A light rope is passed over a pulley such that at its one end a block is attached , and on the other end a boy is climbing up with acceleration g/2 relative to rope. Mass of the block is 30 kg and that of the boy is 40 kg. Find the tension and acceleration of the rope .

Two mass m_(1) and m_(2) are attached to a flexible inextensible massless rope, which passes over a frictionless and massless pully. Find the accelerations of the masses and tension in the rope.

SUNIL BATRA (41 YEARS IITJEE PHYSICS)-LAWS OF MOTION-JEE Main And Advanced
  1. A light string passing over a smooth light pulley connects two blocks ...

    Text Solution

    |

  2. Three identical blocks of masses m=2kg are drawn by a force F=10.2N wi...

    Text Solution

    |

  3. One end of a massless rope, which passes over a massless and frictionl...

    Text Solution

    |

  4. A spring balance is attached to the ceiling of a lift. A man hangs his...

    Text Solution

    |

  5. Three forces start acting simultaneously on a particle moving with vel...

    Text Solution

    |

  6. A horizontal force of 10N is necessary to just hold a block stationary...

    Text Solution

    |

  7. A marble block of mass 2 kg lying on ice when given a velocity of 6m//...

    Text Solution

    |

  8. A block of mass M is pulled along a horizontal frictionless surface by...

    Text Solution

    |

  9. A light spring balance hangs from the hook of the other light spring b...

    Text Solution

    |

  10. A rocket with a lift-off mass 3.5xx10^4 kg is blasted upwards with an ...

    Text Solution

    |

  11. Two masses m1=5kg and m2=4.8kg tied to a string are hanging over a lig...

    Text Solution

    |

  12. A block rests on a rough inclined plane making an angle of 30^@ with t...

    Text Solution

    |

  13. A smooth block is released at rest on a 45^@ incline and then slides a...

    Text Solution

    |

  14. A parachutist after bailing out falls 50m without friction. When parac...

    Text Solution

    |

  15. A bullet fired into a fixed target loses half of its velocity after pe...

    Text Solution

    |

  16. An annular ring with inner and outer radii R1 and R2 is rolling wihtou...

    Text Solution

    |

  17. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  18. A particle of mass 0.3 kg subject to a force F=-kx with k=15N//m. What...

    Text Solution

    |

  19. A block is kept on a frictionless inclined surface with angle of incli...

    Text Solution

    |

  20. Consider a car moving on a straight road with a speed of 100m//s. The ...

    Text Solution

    |