Home
Class 11
PHYSICS
A body of mass 1kg is made to travel wit...

A body of mass `1kg` is made to travel with a unitform acceleration of `30 cm//s^(2)` over a distance of `2m`, then work to be done is

A

`6J`

B

`60J`

C

`0.6J`

D

`0.3J`

Text Solution

Verified by Experts

The correct Answer is:
C

`W = vec(F).vec(S) = FS = m a S`
Promotional Banner

Topper's Solved these Questions

  • COLLISION

    NARAYNA|Exercise Level-II (H.W)|54 Videos
  • COLLISION

    NARAYNA|Exercise Subjective type Questions|9 Videos
  • CIRCULAR MOTION

    NARAYNA|Exercise LEVEL II(H.W)|51 Videos
  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos

Similar Questions

Explore conceptually related problems

A body of mass m is allowed to fall with the help of string with downward acceleration (g)/(6) to a distance x. The work done by the string is

A body of mass m is allowed to fall with the help of string with downward acceleration g/6 to distance x. The work done by the string is

A body starting from rest is moving with a uniform acceleration of 8m/s^(2) . Then the distance travelled by it in 5th second will be

A body of mass 1.0 kg is falling with an acceleration of 10 m//s^(2) . Its apparent weight will be (g=10m//sec^(2))

A body of mass 2 kg slides down with an acceleration of 3 m//s^(2) on a rough inclined plane having a slope of 30^(@) The external force required to take the same body up the plane with the same acceleration will be : (g=10 m//s^(2))

What is the force which produces an acceleration of 1 m/ s^(2) in a body of mass 1 kg?

A body starting from rest and has uniform acceleration 8 m//s^(2) . The distance travelled by it in 5^(th) second will be

A man moves on a straight horizontal road with a block of mass 2 kg in his hand. If he covers a distance of 40m with an acceleration of 1ms^(-2) , find the work done by the man.

A car of 1000 kg moving with a velocity of 30 m//s stops with uniform acceleration after covering a distance of 50 m on application of brakes. Find the force applied by the brakes on the car and also work done.

NARAYNA-COLLISION-Level-I (H.W)
  1. If a force vec(F) = (vec(i) + 2 vec(j)+vec(k)) N acts on a body produc...

    Text Solution

    |

  2. Work done by the gravitational force on a body of mass ''m'' moving on...

    Text Solution

    |

  3. A body of mass 1kg is made to travel with a unitform acceleration of 3...

    Text Solution

    |

  4. A uniform cylinder of radius 'r' length 'L' and mass 'm' is lying on ...

    Text Solution

    |

  5. A meter scale of mass 400 gm is lying horizontally on the floor. If it...

    Text Solution

    |

  6. A force F is applied on a lawn move at an angle of 60^(@) with the hor...

    Text Solution

    |

  7. A weight lifter jerks 220 kg vertically through 1.5 metre and holds st...

    Text Solution

    |

  8. A tennis ball has a mass of 56.7 gm and is served by a player with spe...

    Text Solution

    |

  9. A body of mass 2kg is projected vertically up with velocity 5ms^(-1). ...

    Text Solution

    |

  10. A force F=(2+x) acts on a particle in x-direction where F is in newton...

    Text Solution

    |

  11. On increasing the speed of a bosy to 2ms^(-1), its kinetic energy is q...

    Text Solution

    |

  12. A bullet of mass 10 gm strikes a target at 400 m//s velocity and does...

    Text Solution

    |

  13. An object is acted on by a retarding force of 10 N and at a particular...

    Text Solution

    |

  14. A man standing on the edge of the roof of a 20 m tall building project...

    Text Solution

    |

  15. A river of salty water is flowing with a velocity 2m//sec. If the dens...

    Text Solution

    |

  16. If the kinetic energy of a body increases by 125%, the percentage incr...

    Text Solution

    |

  17. The kinetic energy of a body is 'K'. If one-fourth of its mass is remo...

    Text Solution

    |

  18. An inelastic ball falls from a height of 100 metres. It loses 20% of i...

    Text Solution

    |

  19. A woman weighing 63 kg eats plum cake whose energy content is 9800 cal...

    Text Solution

    |

  20. A spring of spring constant 5 xx 10^(3) N//m is stretched initially by...

    Text Solution

    |