Home
Class 12
PHYSICS
In the following figure, the object of m...

In the following figure, the object of mass m is held at rest by a horizontal force as shown. The force exerted by the string on the block is -

A

F

B

mg

C

`F+mg`

D

`sqrt(F^(2)+m^(2)g^(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 2 SECTION-B :- Pulley Block System|7 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 2 SECTION-C :- Pseudo force, Weighing Machine|2 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 1 SECTION-F :- Direction of friction, Pulley Block system on horizontal plane, Pulley Block system on inclined plane, Two Block system, Two Block on Inclined plane|12 Videos
  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4 ( LEVEL- II)|39 Videos
  • NLM & FRICTION

    MOTION|Exercise EXERCISE-4 ( LEVEL-II)|15 Videos

Similar Questions

Explore conceptually related problems

A block of mass m is at rest on a rought wedge as shown in figure. What is the force exerted by the wedge on the block?

Two masses rest on smooth surface as shown in the figure. Force exerted by P on Q is.

In the arrangement shown in figure, what should be the mass of block A so that the system remains at rest. Also find force exerted by string on the pulley Q. (g = 10 m//s^(2))

Two springs are in a series combination and are attached to a block of mass 'm' which is in equilibrium. The spring constants and extension in the springs are as shown in the figure. Then the force exerted by the spring on the block is :

A block of mass sqrt(3)//10kg is placed on a rough horizontal surface as shown in the figure. A force of 1N is applied at one end of the block and the block remains stationary. The normal force exerted by the sruface on the block acts(g=10 m//s^(2) )

A block of mass 3kg is at rest on a rough inclined plan as shown in the Figure. The magnitude of net force exerted by the surface on the block will be

A block of mass m is at rest on a rough inclined plane, whose friction coefficient is mu. Net force exerted by surface on block is :-

A block of mass m is placed on a smooth inclined plane of inclination theta with the horizontal. The force exerted by the plane on the block has a magnitude

MOTION-NEWTON'S LAWS OF MOTION & FRICTION -Exercise - 2 SECTION-A:- String Constrained, Wedge Constrained, Newtons Law theory Question, Equillibrium Questions (Normal and Tension), Problems with Acceleration (F=ma), Wedge problems
  1. When an object is in equilibrium state, then

    Text Solution

    |

  2. A ball of mass 50 g is dropped from a height of 20 m. A boy on the gro...

    Text Solution

    |

  3. In the following figure, the object of mass m is held at rest by a hor...

    Text Solution

    |

  4. In accordance with Newton’s third law of motion -

    Text Solution

    |

  5. A man of mass 50 kg carries a bag of weright 40 N on his shoulder. The...

    Text Solution

    |

  6. In the given figure, pulleys and strings are massless. For equilibrium...

    Text Solution

    |

  7. A flexible chain of weight W hangs between two fixed points A & B whic...

    Text Solution

    |

  8. Two masses m and M are attached to the strings as shown in the figure....

    Text Solution

    |

  9. The velocity acquired by a mass m in travelling a certain distance d s...

    Text Solution

    |

  10. A body A mass m(1) exerts a force on another body B of mass m(2) . If ...

    Text Solution

    |

  11. A surface is hit elastically and normally by n bals per unit time, all...

    Text Solution

    |

  12. A block of weight W is supported by three strings as shown in figure. ...

    Text Solution

    |

  13. Three forces vec(F)(1)=(hat(i)+4hat(j))N,vec(F)(2)=(2hat(i)-4hat(k))N ...

    Text Solution

    |

  14. The momentum p of an object varies with time (t) as shown in figure. T...

    Text Solution

    |

  15. An object of mass 2 kg at rest at origin starts moving under the actio...

    Text Solution

    |

  16. A rifle man, who together with his rifle has a mass of 100 kg, stands ...

    Text Solution

    |

  17. A bullet is fired from a gun. The force on the bullet is given by F=60...

    Text Solution

    |

  18. An object of mass 3 kg is at rest. Now a force of vec F = 6 t^2 hat...

    Text Solution

    |

  19. A block of mass m is placed on a smooth wedge of inclination theta. T...

    Text Solution

    |

  20. Arrangement of two block system is as shown. The net force acting on 1...

    Text Solution

    |