Home
Class 12
PHYSICS
The work done in pushing a block of mas...

The work done in pushing a block of mass 10 kg from bottom to the top of a frictionless inclined plane 5 m long and 3 m high is-
`(g=9.8m//sec^(2))`

A

392 J

B

294 J

C

98 J

D

0.98 J

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER & ENERGY

    MOTION|Exercise Exercise - 2|30 Videos

  • WORK, POWER & ENERGY

    MOTION|Exercise Exercise - 3 Section-A|25 Videos

  • WORK, POWER & ENERGY

    MOTION|Exercise QUESTIONS FOR PRACTICE|25 Videos

  • WAVES

    MOTION|Exercise EXERCISE -4 (Level -II) (previous year JEE Advanced)|10 Videos

Similar Questions

Explore conceptually related problems

The work done in sliding a wooden box of mass 5 kg along a friction less inclined plane of inclination 30^(@) and length 10 m is ______J. (g=10 m s^(-2))

The work done in lifting a mass of 1 kg to a height of 9.8 m is

The work done in dragging a stone of mass 100 kg up an inclined plane 1 in 100 through a distance of 10 m is ("takeg" = 9.8 m//s^(2))

A person pushes a block of mass 4 kg up a frictionless inclined plane 10 m long and that makes an angle of 30^@ with the horizontal . Then the work done is

The work done in pulling a body of mass 5 kg along an inclined plane (angle 60^(@) ) with coefficient of friction 0.2 through 2 m, will be -

A body of mass 10 kg is dropped to the ground from a height of 10 metres. The work done by the gravitational force is (g=9.8m//sec^(2))

What is the time required for a block to slide down from the top to the bottom ofan inclined plane 6.4 m long if the inclination of the plane with the horizonta l is 30° and the coefficient of friction= 0.2?

What is the work done to fits to lift a body of mass 5 kg to a height of 50 m from the ground (in J)? (g = 10 m s^(-2) )

MOTION-WORK, POWER & ENERGY -Exercise - 1
  1. The relationship between force and position is shown in the figure giv...

    Text Solution

    |

  2. A force vecF=2hati-3hatj+7hatk(N) acts on a particle which undergoes a...

    Text Solution

    |

  3. The work done in pushing a block of mass 10 kg from bottom to the top...

    Text Solution

    |

  4. A locomotive of mass m starts moving so that its velocity varies accor...

    Text Solution

    |

  5. A body of mass 2 kg fall vertically, passing through two points A and ...

    Text Solution

    |

  6. A block of mass M is hanging over a smooth and light pulley by a const...

    Text Solution

    |

  7. A light and a heavy body have equal momenta. Which one has greater K.E

    Text Solution

    |

  8. A 300 g mass has a velocity of (3hati + 4hatj) m//s at a certain inst...

    Text Solution

    |

  9. A 4 kg mass and 1kg mass are moving with equal kinetic energies. The r...

    Text Solution

    |

  10. If the linear momentum is increased by 50%, then KE will be increased...

    Text Solution

    |

  11. A chain of mass m and length l is placed on a table with one-sixth of ...

    Text Solution

    |

  12. A body of mass 2 kg is moved from a point A to a point B by an externa...

    Text Solution

    |

  13. A running man has half the KE that a body of half his mass has. The ma...

    Text Solution

    |

  14. A man slides down a snow covered hill along a curved path and falls 20...

    Text Solution

    |

  15. The bob of a simple pendulum of length l dropped from a horizontal pos...

    Text Solution

    |

  16. A block of mass m slips down an inclined plane as shown in the figure....

    Text Solution

    |

  17. In the given figure, the inclined surface is smooth. The body releases...

    Text Solution

    |

  18. In figure, block A is released from rest, when spring is at its natura...

    Text Solution

    |

  19. A machine, which is 72 percent efficient, uses 36 joules of energy in ...

    Text Solution

    |

  20. A 5 kg block is lifted vertically through a height of 5 metre by a for...

    Text Solution

    |