Home
Class 12
PHYSICS
A particle is placed on the top of a hem...

A particle is placed on the top of a hemispherical shell of same mass. Shellis free to move on the smooth ground. If particle is given a given a gentle push and reaches to anglular position q as shown in figure then for an observer fixed on a shell, ratio of reaction force exerted by shell to peudo force (as observed from shell) acting on particale, is

A

a. `sin theta`

B

b. `cosec theta`

C

c. `cos theta`

D

d. `sec theta`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-C (OBJECTIVE TYPE QUESTIONS) (MORE THAN ONE OPTIONS ARE CORRECT)|16 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-D (LINKED COMPREHENSION TYPE QUESTIONS) (COMPREHENSION-I)|3 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-A (OBJECTIVE TYPE QUESTIONS (ONE OPTIONISCORRECT)|60 Videos

  • WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

A thin metallic spherical shell carries a charge Q on it. A point charge Q_(1) is placed at the centre of the shell and another charge q is placed outside as shown in figure ahead. All the charges are positive . Discuss the various forces acting on Q_(1) .

A spherical balll of mass m is the highest point in the space between two fixed , concentic sphere A and B the smaller the two sphere A has a radius R and the space between the two spheres has a width d . The bell has a disneter very dightly less then d . All surface are frictionless . The bell is a given a gentle push (owards the right in the figure ) The upward vertical is denoted by theta (shown ijn the figure) (a)Express the total normal reaction force exerted by the sphore on the as a finction of angle theta (b) Let N_(A) and N_(B) denote in the magnitubes of the normal reaction force on the bell evered by the sphare A and B repectively Skech the variation of N_(A) and N_(B) as functions of cos theta in the range 0 le theta le pi by drawing two separate graph in your answer book taking cos theta an the horizental axas.

A solid sphere of mass m and radius r is placed inside a hollow thin spherical shell of mass M and radius R as shown in the figure. A particle of mass m' is placed on the line joining the two centres at a distance x from the point of contact of the sphere and the shell. Find the magnitude of the resultant gravitational force on this particle due to the sphere and the shell if rltxlt2r

A thin. Metallic spherical shell contains s charge Q on it. A point charge q is placed at the centre of the shell and another charge q_1 is placed outside it as shown in figure (30-Q1). All the three charges are positive. The force on the charge at the centre is

A thin metallic spherical shell contains a charge Q on it. A point charge q is placed at the center of the shell and another charge q_1 is placed outside it as shown in the figure. All the three charges are positive. Find the force on the charge a. at centre due to all charges. b. at center due to shell.

A solid sphere of mass m and radius r is placed inside a hollow thin spherical shell of mass M and radius R as shown in the figure. A particle of mass m' is placed on the line joining the two centres at a distance x from the point of contact of the sphere and the shell. Find the magnitude of the resultant gravitational force on this particle due to the sphere and the shell if xgt2R

a solid sphere of mass m and radius r is placed inside a hollow thin spherical shell of mass M and radius R as shown in figure. A particle of mass m is placed on the line joining the two centers as a distance x from the point of contact of the sphere and the shell. Find the magnitude of the resultant gravitational force on this particle due to the sphere and the shell if a). rltxlt2r, b). 2rltxlt2R and c). xgt2R .

In the figure a charged small sphere of mass m and the charge q starts sliding from rest on a vertical fixed circular smooth track of radius R from the position A shown. There exist a uniform magnetic field of B . Find the maximum force exerted by track on the sphere during its motion.

A particle of mass m oscillates inside a smooth spherical shell of radius R and starts its motion from point B . At given instant the kinetic energy of the particle is K . Then the force applied by particle on the shell at this instant is :-

The diagram shows a hemispherical shell of mass m and radius R is hinged at point of placed on a horizontal surface. A ball of mass strikes the shell at point A ( as shown in the figure ) moving with velocity u inclined at an angle theta = tan^(-1) (1/2) and then it stops . For the given shell to reach horizontal surface OP what minimum speed u is required ?

AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-SECTION-B (SUBJECTIVE TYPE QUESTIONS) (ONE OPTIONS IS CORRECT)
  1. A particle falls from rest under gravity. Its potential energy with re...

    Text Solution

    |

  2. A particle of mass m is moving in a horizontal circle of radius r, und...

    Text Solution

    |

  3. A particle is placed on the top of a hemispherical shell of same mass....

    Text Solution

    |

  4. A bob is tied up with a string AB of length l. End A of the string is ...

    Text Solution

    |

  5. If the linear momentum is increased by 50%, then kinetic energy will b...

    Text Solution

    |

  6. A body of mass m was slowly pulled up the hill by a force F which at e...

    Text Solution

    |

  7. Work done by a spning force is

    Text Solution

    |

  8. A small body of mass m slides without friction from the top of a hemi...

    Text Solution

    |

  9. A motor drives a body along a straight line with a constant force. The...

    Text Solution

    |

  10. An engine pumps water continuously through a hole. Speed with which wa...

    Text Solution

    |

  11. A machine which is 75% efficient, use 12 J of energy in lifting 1 kg m...

    Text Solution

    |

  12. A bullet when fixed at a target with a velocity of 100 ms^(-1), penetr...

    Text Solution

    |

  13. A particle is rotated in a vertical circle by connecting it to a strin...

    Text Solution

    |

  14. The block of mass m is released when the spring was in its natrual len...

    Text Solution

    |

  15. Consider the spring blcok system shoen in the figure initially block m...

    Text Solution

    |

  16. Consider the spring block system shown in the figure initially block m...

    Text Solution

    |

  17. Consider the system shown in the figure. Coefficient of friction betwe...

    Text Solution

    |

  18. Consider the system shown in the figure. Coefficient of friction betwe...

    Text Solution

    |

  19. A particle of mass m initially moving with speed v.A force acts on the...

    Text Solution

    |

  20. A block of mass m is released from a height h from the top of a smooth...

    Text Solution

    |