Home
Class 12
PHYSICS
A person of mass 940 kg and presses the ...

A person of mass 940 kg and presses the button on control panel. Then lift starts moving upwards with an acceleration `1.0m//s^(2)`. If `g=10ms^(-2)`, the tension in the supporting cable is:

A

8600N

B

9680N

C

10340N

D

1200N

Text Solution

Verified by Experts

The correct Answer is:
C

`T=mg+ma=1000(10+1)=11000N`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-II|112 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise SWOE|44 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN |Exercise EXERCISE (JA)|4 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos

Similar Questions

Explore conceptually related problems

In a given figure the acceleration of M is (g=10ms^(-2))

A man of mass 60 kg is in a lift and lift is accelerating upwards with acceleration 4 m//s^(2) . Calculate effective weight of man in lift.

A person of mass 50 kg stands on a weighing scale on a lift. If the lift is descending with a downward acceleration of 9 ms^(-2) , what would be the reading of the weighing scale ? (g = 10 ms^(-2) )

Two monkey of masses 10 kg and 8 kg are moving along a verticle rope as shown in fig. the former climbing up with an acceleration of 2 ms^(-2) , while the later coming down with a uniform velocity of 2 ms^(-1) . Find the tension in the rope at the fixed support.

Ramesh with mass of 65 kg stands on a spring balance in a lift. If the lift moves in upward direction with an acceleration of 3 m/ s^(2) , then the weight of Ramesh will becom e........

Two blocks of masses 2.9 kg and 1.9 kg are suspended from a rigid support S by two inextensible wires each of length 1 m. The upper wire has negligible mass and the lower wire has a uniform mass of 0.2 kg/m. Thewhole system of block, wire and support have an upward acceleration of 0.2 m/s2. g = 9.8 m/s2. The tension at the mid-point of lower wire is-

A ladder is hanging from ceiling as shownin figure. Three men A, B and C of masses 40 kg, 60 kg, and 50 kg are climbing the ladder. Man A is going up with retardation 2m//s^(2), C is going up with an acceleration of 1m//s^(2) and man B is going up with a constantg speed of 0.5 m/s. Find the tension in the string supporting the ledder. [g=9.8m//s^(2)]

The frictional force of the air on the body of mass 0.25kg, falling with an acceleration of 9.2 m//s^(2) will be (g=9.8m//s^(2)) .

A person in an elevator accelerating upwards with an acceleration of 2 m/s^(2) , tosses a coin vertically upwards with a speed of 20 ms^(-1) . After how much time will the coin fall back into his hand ? (g = 10 ms^(2) )

A 2 kg block A is attached to one end of a light string that passes over an an ideal pulley and a 1 kg sleeve B slides down the other part of the string with an acceleration of 5m//s^(2) with respect to the string. Find the acceleration of the block, acceleration of sleeve and tension in the steing. [g=10m//s^(2)]

ALLEN -NEWTONS LAWS OF MOTION-EXERCISE-I
  1. A 150 g tenins ball coming at a speed of 40m/s is hit straight back by...

    Text Solution

    |

  2. Three solids of masses m(1),m(2) and m(3) are connected with weightles...

    Text Solution

    |

  3. Two blocks of masses M(1)=4 kg and M(2)=6kg are connected by a string ...

    Text Solution

    |

  4. Three masses M(1), M(2) and M(3) are lying on a frictionless table. Th...

    Text Solution

    |

  5. In Newton's second vecF=mveca (for constant mass m), veca is the accel...

    Text Solution

    |

  6. A man of mass 90kg is standing in an elevator whose cable broke sudden...

    Text Solution

    |

  7. A force vecF=(6hati-8hatj+10hatk)N produces acceleration of 1 ms^(-2) ...

    Text Solution

    |

  8. Two bodies A and B of masses 10kg and 15kg respectively kept on a smoo...

    Text Solution

    |

  9. Ten one-rupee coins are put on top of each other on a table, Each coin...

    Text Solution

    |

  10. A block of mass m is in contact with the cart C as shown in The coeffi...

    Text Solution

    |

  11. A gramphone record is revolving with an angular velocity omega. A coin...

    Text Solution

    |

  12. A man, of mass 60kg, is riding in a lift. The weights of the man, when...

    Text Solution

    |

  13. A person of mass 940 kg and presses the button on control panel. Then ...

    Text Solution

    |

  14. A body mass M hits normally a rigid wall with velocity v and bounces b...

    Text Solution

    |

  15. Three blocks of masses m, 3m and 5m are connected by massless strings ...

    Text Solution

    |

  16. A particle of mass m rests on a horizontal floor with which it has a c...

    Text Solution

    |

  17. A car of mass 1000kg negotiates a banked curve of radius 90m on a fict...

    Text Solution

    |

  18. In the figure given, the system is in equilibrium. What is the maximum...

    Text Solution

    |

  19. Four blocks of the same mass m connected by cords are pulled by a forc...

    Text Solution

    |

  20. A 140g ball, in horizontal flight with a speed v(1) of 39.0 m/s. is st...

    Text Solution

    |