Home
Class 12
PHYSICS
By what acceleration the boy must go up ...

By what acceleration the boy must go up so that `100kg` block remains stationary on the wedge. The wedge is fixed and is smooth `(g =10m//s^(2))`
.

A

`2 ms^(-2)`

B

`4 ms^(-2)`

C

`6 ms^(-2)`

D

`8 ms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`100 g sin 30^(@) = 800 = T = 50 g + 50a`
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (A)|32 Videos

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (B)|3 Videos

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART- C|4 Videos

  • SEMICONDUCTORS

    BANSAL|Exercise CBSE Question|32 Videos

Similar Questions

Explore conceptually related problems

A block of mass m is placed on the rough incline of a wedge of mass M and inclination alpha to the horizontal. Calculate the maximum and minimum acceleration that can be imparted to the wedge so that the block may remain stationary relative to the wedge. The coefficient iof friction between the block and the wedge is mu .

All surfaces are smooth in the adjoining figure. Find F such that block remains stationary with respect to wedge.

A block of mass 1 kg is at rest relative to a smooth wedge moving leftwards with constant acceleration a = 5 m//s^(-2) .Let N be the normal reation between the block and the wedge . Then (g = 10 m//s^(-2))

All surface are smooth in following figure. Find F , such that block remain stationary with respect to wedge.

A block of mass 1 kg is at rest relative to a smooth wedge leftwards with constant acceleration a =5 m//s^(2) .Let N be the normal reaction between the block and the wedge. Then ( g = 10 m//s^(2) )

A block of mass 1 kg is placed on a rough wedge which is fixed on an elevator going upward with acceleration 2 ms^(-2) . The block is a rest with respect to the wedge. Select the correct alternative ( take g = 10 ms^(-2) )

Two blocks of masses M and m are held on a smooth wedge. The wedge is placed on smooth plane and is free to move on plane. Now both blocks are released, and it is found that block m remains stationary w.r.t. the wedge, the ratio of M/m is 6k. Find the value k.

Figure-2.162 shows a wedge of mass 2kg resting on a fritionless floor. A block of mass 1 kg is kept on the wedge and the wedge is given an acceleration of 5 m//s^(2) towards right. Then :

A block of mass m is placed on a smooth wedge of inclination theta . The whole system is accelerated horizontally, so that the block does not slip on the wedge. The force exerted by the wedge on the block (g is acceleration due to gravity) will be

BANSAL-TEST PAPERS-PHYSICS
  1. A block of mass m is placed on a rough horizontal surface. If minimum ...

    Text Solution

    |

  2. The raindrops are hitting the back of a man walking at a speed of 5km/...

    Text Solution

    |

  3. By what acceleration the boy must go up so that 100kg block remains st...

    Text Solution

    |

  4. Consider a wedge rod system in which rod of length L is moving vertcia...

    Text Solution

    |

  5. A light particle of mass m is connected to another very heavy particle...

    Text Solution

    |

  6. A force F is applied to the initially, stationary cart. The variation ...

    Text Solution

    |

  7. A ball is projected towards right from point A at an angle theta with ...

    Text Solution

    |

  8. Two particles are projected horizontally with same speed 30 m//s but i...

    Text Solution

    |

  9. Coefficient of friction between block of mass m and fixed wedge is mu ...

    Text Solution

    |

  10. The displacement x (in m ) and time t (in s) of a particle are connect...

    Text Solution

    |

  11. How large is the stretching force in the patient's leg figure shown ?

    Text Solution

    |

  12. From ground a balloon starts ascending at a constant speed of 25 m//s....

    Text Solution

    |

  13. A book sits on a horizontal top of a car which accelerates horizontall...

    Text Solution

    |

  14. A body is projected verticallt upwards. If t(1) and t(2) be the times ...

    Text Solution

    |

  15. A horizontal surface is partly smooth and partly rough. A particle is ...

    Text Solution

    |

  16. A particle is projected up the incline such that its component of velo...

    Text Solution

    |

  17. From a certain tower of unknown height it is found that the maximum ra...

    Text Solution

    |

  18. Find the time when the displacement of the particle becomes zero. Assu...

    Text Solution

    |

  19. A given object taken double time to slide down a 45^(@) rough incline ...

    Text Solution

    |

  20. A person is standing on road by holding an umbrella at right angle to ...

    Text Solution

    |