Home
Class 9
PHYSICS
In the given figure, the block moves hor...

In the given figure, the block moves horizontally towards right. Which force(S) do work?

Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    MODERN PUBLICATION|Exercise EXERCISE|191 Videos

  • SOUND

    MODERN PUBLICATION|Exercise EXERCISE|137 Videos

Similar Questions

Explore conceptually related problems

In the given figure, name the point(s).

A block of mass m is attached to two unstrecthed of spring constant k_1 and k_2 as shown in the figure The block is displaced towards right through a distance x and is released. Find the speed of the block as it passes through the mean position shown.

State the conditions under which a force does no work.

In the figure SAQ 12(a) a bar magnet moving towards the right or left induces an e.m.f. in the coils (1) and (2). Find, giving reason, the direction of induced currents through resistors AB and CD. When the magnet is moving towards the right.

Imagine that you are sitting in a chamber with your back to one wall an electron beam moving horizontally with back towards the front wall ,is defected by a strong magnetic field to your right side. What is the direction of the magnetic field?

A truck moves on a level road. Doe it do any work against gravity?

An object throw at a certain angle to the ground moves in a curved path and falls back to the ground. The initial and final points of the path of object lie on the same horizontal line. What is the work done by the force of gravity on the object.

MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
  1. In the given figure, the block moves horizontally towards right. Which...

    Text Solution

    |

  2. Does work has direction associated with it?

    Text Solution

    |

  3. For what value theta is work done maximum

    Text Solution

    |

  4. For what value theta is work done zero?

    Text Solution

    |

  5. When work is measured in J, force is measured in and displacement is ...

    Text Solution

    |

  6. A person is walking on a horizontal road and carrying a briefcase. The...

    Text Solution

    |

  7. Work done by centripetal force is zero . (T or F)

    Text Solution

    |

  8. A coolie moves on a horizontal platform with luggage on his head. The ...

    Text Solution

    |

  9. Define work. Write its formula. What is the SI unit of work? Is it a s...

    Text Solution

    |

  10. Give three situations in which a force produces displacement but still...

    Text Solution

    |

  11. A horizontal force acts on a body placed on a smooth horizontal table ...

    Text Solution

    |

  12. A horizontal force of 20 N is required to keep a body moving in a hori...

    Text Solution

    |

  13. Find the work done in lifting a 50 kg bucket a water through a vertic...

    Text Solution

    |

  14. Does kinetic energy of a body depend on the direction of motion of the...

    Text Solution

    |

  15. When you are climbing stairs, work done by the weight is positive. (T ...

    Text Solution

    |

  16. The ratio S.I unit to C.G.S. unit of work is .

    Text Solution

    |

  17. Can every force do work?

    Text Solution

    |

  18. When work is done on a body then kinetic energy of the body. (increase...

    Text Solution

    |

  19. A book falls freely from the table top. Is work done by some force dur...

    Text Solution

    |

  20. A boy sitting in a moving car possesses kinetic energy.

    Text Solution

    |

  21. If momentum of a body is doubled, the kinetic energy becomes times.

    Text Solution

    |