Home
Class 12
PHYSICS
A block of mass 0.4kg is pulled along th...

A block of mass 0.4kg is pulled along the curve path CAN slowly by a tangential force as shown in figure. The work done by the applied force when the block moves from A to B is

Text Solution

Verified by Experts

Work done by friction
`=intF.ds-int_(0)^(x)mumg cos theta(dx)/(cos theta)`
`=mu mgx=4` Joule
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 block of mass 1 kg is pulled slowly along the curve path ACB by a tangential force as shown in figure. The magnitude of work done by the frictional force when the block moves from A to B is

A block is constrained to move along x axis under a force F=-(2x)N . Find the work done by the force when the block is displaced from x=2 m to x = 4m

A block of mass 10kg is displaced by 10m towards right by the application of force F=20N ( 60 from horizontal ), as shown in the figure. The work done by the force is

A 5 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown in the figure. Find the work done by this force as the block moves from the origin to x = 8m.

A block of mass 10 kg is moving on a rough surface as shown in figure. The frictional force acting on block is :-

A 10-kg block moves in a straight line under the action of a force that varies with position as shown in figure. How much work does the force do as the block moves from origin to x=8m ?

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 100 g block moves along X- axis. Its acceleration as a function of displacemetn is shown in figure. Calculate work done (in joule) on the block by the force applied as the block moves from x=0 to x=8m .

A force of 0.5 N is applied on upper block as shown in figure. The work done ( in joule ) by upper block on lower block for a displacement of 3 m is :

BANSAL-TEST PAPERS-PHYSICS
  1. A sphere of mass 0.5 kg rests at one corner of a cube. The cube is mov...

    Text Solution

    |

  2. A body starts revolving from rest in a circular path of radius 2 m wit...

    Text Solution

    |

  3. A block of mass 0.4kg is pulled along the curve path CAN slowly by a t...

    Text Solution

    |

  4. If the system is in equilibrium, the magnitude of friction acting on b...

    Text Solution

    |

  5. In the system shown block is released from rest on the inclined surfac...

    Text Solution

    |

  6. A boat is heading 30^(@) East of north having velocity 20ms^(-1) with ...

    Text Solution

    |

  7. A block is released from rest on a smooth inclined plane having inclin...

    Text Solution

    |

  8. A observer standing in a cart which has acceleration g on horizontal r...

    Text Solution

    |

  9. A particle is projected with 40ms^(-1) at anlge 53^(@) above horizonta...

    Text Solution

    |

  10. A pendulum is released from rest from horizontal position as shown. Th...

    Text Solution

    |

  11. In the shown diagram all pulleys and strings are ideal. The frictional...

    Text Solution

    |

  12. A particle is moving on path whose trajectory equation is y=A sin (Bx)...

    Text Solution

    |

  13. If a man is running on horizontal road, raise appears to him coming at...

    Text Solution

    |

  14. A particle starts from rest on a straight path, Its acceleration is li...

    Text Solution

    |

  15. Two particles are projected simultaneously from the top of the towers ...

    Text Solution

    |

  16. A particle starts moving on circular path of radius (9)/(4)m with tang...

    Text Solution

    |

  17. Two particle are at origin on horizontal x0y plane. At t-0, one partic...

    Text Solution

    |

  18. A uniform place of sheet is shaped as shown in the figure. Compute x a...

    Text Solution

    |

  19. Two particle of equal mass have velocities vecv(1)=2hati m/s and vecv(...

    Text Solution

    |

  20. A boy hits a baseball with a bat and imparts and impulse J to the ball...

    Text Solution

    |