Home
Class 9
PHYSICS
A 2-kg body is sliding up an inclined pl...

A 2-kg body is sliding up an inclined plane of inclination `30^@`. Find the work done by the force of gravity m moving the body through I m.

Text Solution

Verified by Experts

`-9.8 J`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A block of mass 5.0 kg slides down an incline of inclination 30^0 and length 10 m. The work done by the force of gravity (in joule) is

A block of mass m is moving down with constant velocity along an inclined plane of inclination theta . What is the work done by external force in pulling the block along the inclined plane through a height h with constant velocity?

A body of mass 2 kg is lyign on rough inclined plane of inclination 30^0 . Find the mgnitude of the force parallel to the incline needed to make tkheblock move a. up the incline b. down the incline. Coefficient of static friction =0.2

A body of mass 2 kg is lyign on rough inclined plane of inclination 30 0 . Find the mgnitude of the force parallel to the incline needed to make tkheblock move a. up the incline b. down the incline. Coefficient of static friction =0.2 Repeat part a. of problem 6 if the push is applied horizontally and not parallel to the incline.

A block of mass 250 g slides down an incline of inclination 37^0 with a uniform speed. Find the work done against the friction as the block slides through 1.0 m.

When a body rolls without sliding up an inclined plane the frictional force is :

A body of mass 2 kg is lying on a rough inclined plane of inclination 30º. Find the magnitude of force parallel to incline needed to make the block move (a)up the incline (b)down the incline. Coefficient of static friction = 0.2

A body of mass 100 g is sliding from an inclined plane of inclination 30^(@) . What is the frictional force experienced if mu=1.7 .

A body of mass 10 kg is lying on a rough inclined plane of inclination 37^(@) and mu = 1//2 , the minimum force required to pull the body up the plane is

A body slides down on an inclined plane of inclination 37^(@) with horizontal. The distance travelled by the body in time t is given by s = t^(2) . Find the friction coefficient between the body and the incline.

HC VERMA-WORK, ENERGY AND POWER-QUESTION BANK
  1. In which of the following cases is the potential energy of a spring mi...

    Text Solution

    |

  2. A particle of mass 100 g moves at a speed of 1 m/s. Its kinetic energy...

    Text Solution

    |

  3. A ball is thrown upwards from a point A.It reechec up to the highest p...

    Text Solution

    |

  4. A body of mass 2 kg is dropped from a height of 1 m. It s kinetic as i...

    Text Solution

    |

  5. Two bodies of unequal masses are dropped from a cliff. At any instant,...

    Text Solution

    |

  6. When the speed of a particle is doubled, its kinetic energy

    Text Solution

    |

  7. When the speed of a particle is doubled, the ratio of its kinetic ener...

    Text Solution

    |

  8. The unit of power is

    Text Solution

    |

  9. A person A does 500 J of work in 10 minutes and another person B does ...

    Text Solution

    |

  10. Mark the statement true(T) or false (F): Work and energy have differe...

    Text Solution

    |

  11. Mark the statement true(T) or false (F): A stone tied to a string is ...

    Text Solution

    |

  12. Mark the statement true(T) or false (F): When an aeroplane takes off,...

    Text Solution

    |

  13. Mark the statement true(T) or false (F): The potential energy of a sp...

    Text Solution

    |

  14. Mark the statement true(T) or false (F): When negative work is done b...

    Text Solution

    |

  15. Mark the statement true(T) or false (F): A person stands for a long t...

    Text Solution

    |

  16. Mark the statement true(T) or false (F): When a body falls, its kinet...

    Text Solution

    |

  17. Mark the statement true(T) or false (F): A rubber band has more poten...

    Text Solution

    |

  18. A 2-kg body is sliding up an inclined plane of inclination 30^@. Find ...

    Text Solution

    |

  19. A ball of mass 1 kg is dropped from a height of 5 m. What is its speed...

    Text Solution

    |

  20. A 1000-W heater is used for 1 hour every day for 30 days . Find the co...

    Text Solution

    |