Home
Class 11
PHYSICS
The pulleys and strings shown in the fig...

The pulleys and strings shown in the figure are smooth and of negligible mass. For the system to remain in equilibrium, the angle `theta` should be

A

`0^(@)`

B

`30^(@)`

C

`45^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C

T=mg
`2Tcostheta=sqrt(2)mg`
`2mgcostheta=sqrt(2)mg`
`costheta=(1)/(sqrt(2))rArrtheta=45^(@)`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    CP SINGH|Exercise EXERCISES|84 Videos

  • NEET PREVIOUS YEAR

    CP SINGH|Exercise Solved Questions|64 Videos

  • RELATIVE MOTION

    CP SINGH|Exercise EXERCISE|33 Videos

Similar Questions

Explore conceptually related problems

A step pulley system is shown in figure-2.50. Find the relation in masses m and M for which the system remain in equilibrium. Assume string will not slide over the pulleys. ((r_(1))/(r_(2))=(1)/(2),(r_(3))/(r_(4))=(3)/(4)) [(M)/(m)=(3)/(8)sintheta]

A smooth rod length l is kept inside a trolley at an angle theta as shown in the figure. What should be the acceleration a of the trolley so that the rod remain in equilibrium with respect to it?

In the arrangements shown, the pulley is smooth and the rope is inextensible. If the system is in equilibrium, the contact force between ground and block is

For the given situation as shown in the figure, the value of q theta keep the system in equilibrium will be

Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then

For the equilibrium of the system shown, the value of mass m should be

Two masses m_(1) and m_(2) are attached with light strings as shown. If the system is in equilibrium, find the value of theta

Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibruim, then

CP SINGH-NEWTONS LAWS OF MOTION-EXERCISES
  1. A metal sphere is hung by a string fixed to a wall. The sphere is push...

    Text Solution

    |

  2. When forces F(1) , F(2) , F(3) are acting on a particle of mass m such...

    Text Solution

    |

  3. The pulleys and strings shown in the figure are smooth and of negligib...

    Text Solution

    |

  4. A simple pendulum with a bob of mass m is suspended from the roof of a...

    Text Solution

    |

  5. If a body is in equilibrium under a set of non-collinear forces, then ...

    Text Solution

    |

  6. The acceleration of light pulley is

    Text Solution

    |

  7. Consider the situation as shown in the firgure.

    Text Solution

    |

  8. The acceleration of the block A is

    Text Solution

    |

  9. The acceleration of the block A and B are

    Text Solution

    |

  10. The acceleration of the block A and B are

    Text Solution

    |

  11. The acceleration of m is

    Text Solution

    |

  12. In the arrangement shown in the Fig, the ends P and Q of an unstretcha...

    Text Solution

    |

  13. In the figure, the blocks are of equal mass. The pulley is fixed. In t...

    Text Solution

    |

  14. A spring fo spring constant k is broken in the length ratio 1:3. The s...

    Text Solution

    |

  15. A block of mass 10 kg is suspended through two light spring balances a...

    Text Solution

    |

  16. In the arrangement shown, the pulleys are fixed and ideal, the strings...

    Text Solution

    |

  17. Two blocks A and B of masses 2m and respectively, are connected by a ...

    Text Solution

    |

  18. The masses of 10 kg and 20 kg, respectively, are connected by a light ...

    Text Solution

    |

  19. For ordinary terrestrial experimants, the observer is an inertial fram...

    Text Solution

    |

  20. A reference frame attached to the earth

    Text Solution

    |