Home
Class 12
PHYSICS
A uniform rod of length 10meters and mas...

A uniform rod of length 10meters and mass 20 kilograms is balanced on a fulcrum with a 40-kilogram mass on one end of the rod and a 20-kilogram mass on the other end, as shown. How far is the fulcrum located from the center of the rod?

A

1.5m

B

1.25m

C

1m

D

0m

Text Solution

Verified by Experts

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 uniform rod of length 200cm and mass 500g is balanced on a wedge placed at 40 cm mark. A mass of 2Kg is suspended from the rod at 20cm and another unknown mass m is suspended from the rod at 160cm mark as shown in figure. Find value of m such that the rod is in equilibrium.

A uniform rod of length L and mass m is free to rotate about a frictionless pivot at one end as shown in figure. The rod is held at rest in the horizontal position and a coin of mass m is placed at the free end. Now the rod is released The reaction on the coin immediately after the rod starts falling is

A uniform rod of length 4 m and mass 20 kg is lying horizontal on the ground. The work done in keeping it vertical with one of its ends touching the ground, will be -

A uniform rod o length one meter is bent at its midpoint to make 90^@ . The distance of centre of mass from the centre of rod is (in cm )

Two uniform solid of masses m_(1) and m_(2) and radii r_(1) and r_(2) respectively, are connected at the ends of a uniform rod of length l and mass m . Find the moment of inertia of the system about an axis perpendicular to the rod and passing through a point at a distance of a from the centre of mass of the rod as shown in figure.

A uniform rod of length L and mass M is free to rotate about a frictionless pivot at one end. The rod is released from rest in the horizontal position. What are the initial angular acceleration of the rod and the initial linear acceleration of the right end of the Rod ?

A uniform rod of mass m and length l is on the smooth horizontal surface. When a constant force F is applied at one end of the rod for a small time t as shown in the figure. Find the angular velocity of the rod about its centre of mass.

A uniform thin rod of length l and mass m is hinged at a distance l//4 from one of the end and released from horizontal position as shown in Fig. The angular velocity of the rod as it passes the vertical position is

BANSAL-TEST PAPERS-PHYSICS
  1. Two equal masses m are attached by a string. One mass lies at radial d...

    Text Solution

    |

  2. Find the velocity (in m/s) with wich a block of mass 1 kg must be hori...

    Text Solution

    |

  3. A uniform rod of length 10meters and mass 20 kilograms is balanced on ...

    Text Solution

    |

  4. Consdier the equation (d)/(dt)[intvecF.dvecs]=A[vecF.vecp] Then dime...

    Text Solution

    |

  5. A heavy particle is projected with a velocity at an acure angle with t...

    Text Solution

    |

  6. A particle is projected at an angle of 45^(@) with the horizontal with...

    Text Solution

    |

  7. Two identical rings each of mass m with their planes mutually perpendi...

    Text Solution

    |

  8. Two balls of same mass are dropped from the same height h, on to the f...

    Text Solution

    |

  9. A block of mass m is placed on a rough horizontal floor and it is pull...

    Text Solution

    |

  10. A cylist travelling at 10m/s applies brakes and stops in 25m m. The gr...

    Text Solution

    |

  11. A particle of mass m begins to slide down on a fixed smooth sphere fro...

    Text Solution

    |

  12. The velocity function of an object moving along a straight line is giv...

    Text Solution

    |

  13. A piece of paper (shown in figure-1) is in form of a square. Two corne...

    Text Solution

    |

  14. A 500 kg rocket is set of vertical firing. The relative speed of burnt...

    Text Solution

    |

  15. A mass M=40kg is fixed at the very edge oa a long plank of mass 80kg a...

    Text Solution

    |

  16. A very heavy box is kept on a frictionless incline plane inclined at a...

    Text Solution

    |

  17. Two masses m(1), and m(2) are connected by a string of length L. They ...

    Text Solution

    |

  18. A given object takes m times as much time to slide down a 45^(@) rough...

    Text Solution

    |

  19. In the figure shown two motors P(1) & P(2) fixed on a plank which is h...

    Text Solution

    |

  20. Consider the arrangement shown. The system is released from rest and t...

    Text Solution

    |