Home
Class 11
PHYSICS
When is work done by the force positive ...

When is work done by the force positive ?

Text Solution

Verified by Experts

If the displacement of a particle is in the same direction of force acting on the particle then the work done by the force is said to be positive .
Promotional Banner

Topper's Solved these Questions

  • ANNUAL EXAMINATION QUESTION PAPER NORTH- 2018

    SUBHASH PUBLICATION|Exercise PART-B|18 Videos

  • ANNUAL EXAMINATION QUESTION PAPER NORTH- 2018

    SUBHASH PUBLICATION|Exercise PART-C|16 Videos

  • ANNUAL EXAMINATION QUESTION PAPER (WITH ANSWERS) SOUTH -2017

    SUBHASH PUBLICATION|Exercise PART-D|11 Videos

  • ANNUAL EXAMINATION QUESTION PAPER SOUTH-2018

    SUBHASH PUBLICATION|Exercise PART - D|9 Videos

Similar Questions

Explore conceptually related problems

What is the work done by the force of gravity on a satellite moving round the earth? Justify your answer.

When a body moves in a circular path, no work is done by the force since,

A force of 1 N acts on a body of mass 0.5 kg initially at rest. The ratio of the works done by the force in the first, second and third second is :

Write the expression for work done by the force acting on an electric dipole to deflect it through a certain angle with respect to the uniform electric field.

A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work done by the force of gravity during the time the particle goes up is:

SUBHASH PUBLICATION-ANNUAL EXAMINATION QUESTION PAPER NORTH- 2018-PART - D
  1. When is work done by the force positive ?

    Text Solution

    |

  2. What is v-t graph? Derive the expression x = V0 t + 1//2 at^2 using v...

    Text Solution

    |

  3. State and prove conservation of linear momentum in case of collision o...

    Text Solution

    |

  4. Define torque and angular momentum .

    Text Solution

    |

  5. Derive the relation between torque and angular momentum .

    Text Solution

    |

  6. Explain different stages of Carnot's cycle with P-V diagram .

    Text Solution

    |

  7. Derive an expression for time period of oscillating bob of simple pend...

    Text Solution

    |

  8. Mention the differences between progressive and stationary waves .

    Text Solution

    |

  9. An aircraft executes a horizontal loop of radius 1 km with a steady sp...

    Text Solution

    |

  10. A man weighing 49 kg carries a bag of 2 kg . He climbs to the top of a...

    Text Solution

    |

  11. Calculate g at the bottom of a mine 8 km deep and at an altitude 32 km...

    Text Solution

    |

  12. A cubical ice box of thermocol has each side 30 cm and thickness 5 cm ...

    Text Solution

    |

  13. The apparent frequency of a note when an observer moves towards a stat...

    Text Solution

    |

  14. Show that x=v(0)t+1//2at^(2) by graphical method.

    Text Solution

    |

  15. State and prove conservation of linear momentum in case of collision o...

    Text Solution

    |

  16. Define torque and angular momentum .

    Text Solution

    |

  17. Derive the relation between torque and angular momentum .

    Text Solution

    |

  18. Explain different stages of Carnot's cycle with P-V diagram .

    Text Solution

    |

  19. Derive an expression for time period of oscillating bob of simple pend...

    Text Solution

    |

  20. Mention the differences between progressive and stationary waves .

    Text Solution

    |

  21. An aircraft executes a horizontal loop of radius 1 km with a steady sp...

    Text Solution

    |