Home
Class 12
PHYSICS
Choose the correct option: A metre rul...

Choose the correct option:
A metre rule, weighing 100 g rests on a table with a part projecting over the edge. Find the length of the part projecting out if a 5 g body hung at the end just tills the rule.

A

37.5cm

B

26.8 cm

C

40.2 an

D

47.6 cm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    VMC MODULES ENGLISH|Exercise EFFICIENT|50 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    VMC MODULES ENGLISH|Exercise IMPECCABLE|56 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    VMC MODULES ENGLISH|Exercise IMPECCABLE|56 Videos

  • SYSTEM OF A PARTICLES & ROTATIONAL MOTION

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE F|10 Videos

  • UNITS, MEASUREMENTS & ERRORS

    VMC MODULES ENGLISH|Exercise IN - CHAPTER EXERCISE - B|10 Videos

Similar Questions

Explore conceptually related problems

A rectangular brick is kept on a table with a part of its length projecting out. It remains at rest if thelength projected is slightly less than half the total length but it falls down if the length projected is slightly more than half the total length. Give reason.

A uniform rope of length l and mass m lies on a smooth horizontal table with its length perpendicular to the edge of the table and a small part of the rope having over the edge. The rope starts sliding from rest under the weight of the over hanging end. The velocity of the rope when the length of the hanging part is . x

A uniform meter scale of mass 1kg is placed on table such that a part of the scale is beyond the edge. If a body of mass 0.25kg is hung at the end of the scale then the minimum length of scale that should lie on the table so that it does not tilt is

A track consists of two circular pars ABC and CDE of equal radius 100 m and joined smoothly as shown in figure.Each part subtends a right angle at its centre. A cycle weighing 100 kg together with rider travels at a constant speed of 18 km/h on the track. A. Find the normal contact force by the road on the cycle when it is at B and at D. b.Find the force of friction exerted by the track on the tyres when the cycle is at B,C and D. c. Find the normal force between the road and the cycle just before and just after the cycle crosses C. d. What should be the minimum friction coefficient between the road and the tyre, which will ensure that the cyclist can move with constant speed? Take g=10 m/s^2

The diagram alongside shows a uniform metre rule of weight 100 gf being balanced on a knife edge placed at the 40 cm mark, by suspending a weight w gf at the mark 20 cm, find: the position of another weight of 50 gf to balance the rule in part (ii).

A very flexible uniform chain of mass M and length L is suspended vertically so that its lower and just touches the surface of a table. When the upper end of the chain is released it falls with each link coming to rest the instant it strikes the table. Find the force exerted by the chain on the table at the moment when y part of the chain has already rested on the table.

A weightless rigid rod AB of length / connects two equal masses m one particle is fixed at the end B and the other at the middle ofthe rod as shown in the figure-5.131. The rod can rotate in the vertical plane freely around the hinge point/4. Choose the correct option(s) A. The minimum horizontal velocity required to be given to the particle B so as to make the rod go around in the complete vertical circle is sqrt((24 gl)/(5)) B. The minimum horizontal velocity required to be given to the particle B so as to make the rod go around in the complete vertical circle is sqrt((24 gl)/(g)) C. The ratio of compressive force in the rods AC and BC is 2:1 when the masses are at highest point. D. The ratio of compressive force in the rods AC and BC is 3:1 when the masses are at highest point.

A uniform chain of length L and mass M is lying on a smooth table and one-third of its length is hanging vertically down over the edge of the table. If g is the acceleration due to gravity, the work required to pull the hanging part on to the table is

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)]

A track consists of two circular pars ABC andCDE of equal rdius 100 m and joined smoothly as shown in figure.Each part sutends a right ngle at its centre. A cycle weighing 100 kg together with rider travels at a constant speed of 18 km/h on the track. A. Findteh nromal contct force by tehroad on the cycle whenit is at B and at D. b.Findteh force of friction exerted by the track on the tyres when the cycle is at B,C and D. c. Find the normal force between teh road and teh cycle just before and just after the cycle crosses C. d. What should be the minimum friction coefficient between the road and the tyre, which will ensure that teh cyclist can move with constant speed? Take g=10 m/s^2

VMC MODULES ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-ENABLE
  1. A uniform rod of length l is kept vertically on a rough horizontal sur...

    Text Solution

    |

  2. A projectile of mass 3 m explodes at highest point of its path . It br...

    Text Solution

    |

  3. Choose the correct option: A metre rule, weighing 100 g rests on a t...

    Text Solution

    |

  4. Four particles of masses m(1) = 2m , m(2) = 4 m , m(3) = m and m(4) ...

    Text Solution

    |

  5. Two blocks A and B of equal masses are attached to a string passing ov...

    Text Solution

    |

  6. A rigid body is rotating about a vertical axis. In t second, the axis ...

    Text Solution

    |

  7. A circular disc has a mass of 1kg and radius 40 cm. It is rotating abo...

    Text Solution

    |

  8. When different regular bodies roll down along an inclined plane from r...

    Text Solution

    |

  9. A string is wrapped around a cylinder of mass M and radius R. The stri...

    Text Solution

    |

  10. A small ball of radius r rolls without sliding in a big hemispherical ...

    Text Solution

    |

  11. A solid sphere rests on a horizontal surface. A horizontal impulse is ...

    Text Solution

    |

  12. A wheel of moment of inertia I and radius r is free to rotate about it...

    Text Solution

    |

  13. In the following figure, a body of mass m is tied at one end of a ligh...

    Text Solution

    |

  14. Three rings each of mass M and radius R are arranged according to the ...

    Text Solution

    |

  15. A force F acts tangentially at the highest point of a sphere of mass m...

    Text Solution

    |

  16. A tube of length L is filled completely with an incompressible liquid ...

    Text Solution

    |

  17. A wheel is rolling uniformly along a level road (see figure). The spee...

    Text Solution

    |

  18. Two masses of 3kg and 5kg are placed at 20 cm and 70cm marks respectiv...

    Text Solution

    |

  19. A rod of mass 3 kg and of length 3m is bent in the form of an equilate...

    Text Solution

    |

  20. A ring of mass m and radius R has three particles attached to the ring...

    Text Solution

    |