Home
Class 11
PHYSICS
A horizontal force acting on a block of ...

A horizontal force acting on a block of mass `m` which is placed on an inclined plane (as shown in the figure). What is the normal reaction `N` on the block?

A

`mgsintheta+Fcostheta`

B

`mgcostheta-Fsintheta`

C

`mgcostheta+Fsintheta`

D

`mgsintheta-Fcostheta`

Text Solution

Verified by Experts

The correct Answer is:
C
Form the FBD, the normal reaction on the block is `N=mgcos theta+Fsintheta` .
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    A2Z|Exercise Chapter Test|30 Videos

  • NEWTONS LAWS OF MOTION

    A2Z|Exercise NEET Questions|38 Videos

  • MOTION IN TWO DIMENSION

    A2Z|Exercise Chapter Test|29 Videos

  • OSCILLATION AND SIMPLE HARMONIC MOTION

    A2Z|Exercise Chapter Test|29 Videos

Similar Questions

Explore conceptually related problems

The figure shows a horizontal force vecF acting on a block of mass M on an inclined plane (angle theta ). What is the normal reaction N on the block?

Normal reaction N is a force exerted by the surface on the block perpendicular to the surface to contact. A block of mass 1 kg is placed on inclined plane of inclintation 37^(@) as shown in the figure Find the component of normal reaction N= 8 N on the block x-axis and y-axis

Weight mg of a block is a force acting downward toward centre of the earth. A block of mass 1 kg is placed on an inclined plane as shown in figure. Find the x-component and y-component of weight of the block are

Find out the contact force between 2kg & 3kg block placed on the incline plane as shown in figure.

Two blocks are placed at rest on a smooth fixed inclined place. A force F acts on block of mass m_1 and is parallel to the inclined plane as shown in figure. Both blocks move up the incline. Then (i) Draw free body diagram blocks of mass m_1 and blocks mass m_2 (ii) Find acceleration of blocks of mass m_1 and blocks mass m_2 (iii) Find normal reaction between the blocks of mass m_1 and m_2

A plank of mass 10 kg and a block of mass 2 kg are placed on a horizontal plane as shown in the figure. There is no friction between plane and plank. The coefficient of friction between block and plank is 0.5 .A force of 60 N is applied on plank horizontally. In first 2 s the work done by friction on the 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

A body of mass 1kg lies on smooth inclined plane. The block of mass m is given force F=10 N horizontally as shown. The magnitude of net normal reaction on the block is:

A block of mass m=4kg is placed oner a rough inclined plane as shown in figure. The coefficient of friction between the block and the plane is mu=0.5 . A force F=10N is applied on the block at an angle of 30^(@) .

A block having equilateral triangular cross-section of side a and mass m is placed on a rough inclined surface, so that it remains in equilibrium as shown in figure. The torque of normal force acting on the block about its centre of mass is

A2Z-NEWTONS LAWS OF MOTION-AIIMS Questions
  1. A smooth block is released at rest on a 45^@ incline and then slides a...

    Text Solution

    |

  2. Figures I, II, III, and IV depict variation of force with time. The im...

    Text Solution

    |

  3. A body mass 2kg has an initial velocity of 3 metre//sec along OE and i...

    Text Solution

    |

  4. A block of mass 2kg is kept on the floor. The coefficient of static fr...

    Text Solution

    |

  5. A car is moving along a straight horizontal road with a speed v(0) . I...

    Text Solution

    |

  6. A motorcycle is going on an overbridge of radius R. The driver maintai...

    Text Solution

    |

  7. A block of mass m=5kg is resting on a rough horizontal surface for whi...

    Text Solution

    |

  8. The bob of a simple pendulum it displaced position O to a equilibrium ...

    Text Solution

    |

  9. Consider three cases, same spring is attached with 2kg , 3kg and 1kg b...

    Text Solution

    |

  10. A horizontal force acting on a block of mass m which is placed on an i...

    Text Solution

    |

  11. In the diagram 100kg block is moving up with constant velocity, then f...

    Text Solution

    |

  12. A Rocket having initial mass 5xx10^(6)kg , which include mass of fuel ...

    Text Solution

    |

  13. Assertion: A rocket moves forward by pushing the surrounding air backw...

    Text Solution

    |

  14. Assertion: The driver in a vechile moving with a constant speed on a s...

    Text Solution

    |

  15. Assertion: The driver in a vechile moving with a constant speed on a s...

    Text Solution

    |

  16. Assertion: A man in a dosed cabin falling freely does not experience g...

    Text Solution

    |

  17. Assertion: Two bodies of masses M and m(M gt m) are allowed to fall fr...

    Text Solution

    |

  18. Assertion: Friction is a self-adjusting force. Reason: Friction does...

    Text Solution

    |

  19. Assertion: There is no apprecible change in the position of the body d...

    Text Solution

    |

  20. Assertion: On a rainy day, it is difficult to drive a car or bus at h...

    Text Solution

    |