Home
Class 9
PHYSICS
Answer the following questions: State t...

Answer the following questions:
State the condition under which the work done is (i) positive (ii) negative(iii) zero.
Why is the work done on an object moving with uniform circular motion zero?

Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    NAVNEET PUBLICATION|Exercise EXERCISE|140 Videos
  • STUDY OF SOUND

    NAVNEET PUBLICATION|Exercise EXERCISE|111 Videos

Similar Questions

Explore conceptually related problems

Answer the following questions : State the principal on which the working of an electric motor is based.

Answer the following questions : State the principal on which the working of an electric generator is based.

Answer the following questions: Give two examples of negative work done.

Answer the following questions: When is the acceleration (i) positive (2) negative (iii) zero ? Give one example in each case.

Answer the following questions: Give two examples of zero work done.

Answer the following questions: Give two examples of positive work done

When can you say that the work done is either positive, negative or zero?

Answer the following questions: State any five examples of uniform circular motion.

Answer the following questions: Derive the expression for the work done when the displacement is in the direction of the force.

Answer the following questions: In the following case, state giving reasons whether the work done is positive or negative: Activity: A boy goes from the first floor to the third floor with his school bag. Force: The force applied by the boy.

NAVNEET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Answer the following questions: Obtain an expression for the work do...

    Text Solution

    |

  2. Answer the following questions: Determine the amount of work done wh...

    Text Solution

    |

  3. Answer the following questions: State the condition under which the w...

    Text Solution

    |

  4. Answer the following questions: Give two examples of positive work do...

    Text Solution

    |

  5. Answer the following questions: Give two examples of negative work do...

    Text Solution

    |

  6. Answer the following questions: Give two examples of zero work done.

    Text Solution

    |

  7. Answer the following questions: In the following case, state whether ...

    Text Solution

    |

  8. Answer the following questions: In the following case, state whether ...

    Text Solution

    |

  9. Answer the following questions: In the following case, state whether ...

    Text Solution

    |

  10. Answer the following questions: In the following case, state whether ...

    Text Solution

    |

  11. Answer the following questions: In the following case, state whether ...

    Text Solution

    |

  12. Answer the following questions: In the following case, state whether ...

    Text Solution

    |

  13. Answer the following questions: In the following case, state giving re...

    Text Solution

    |

  14. Answer the following questions: In the following case, state giving re...

    Text Solution

    |

  15. Answer the following questions: In the following case, state giving re...

    Text Solution

    |

  16. Answer the following questions: What do you understand by unit work?

    Text Solution

    |

  17. Answer the following questions: State the SI and CGS units of work.

    Text Solution

    |

  18. Answer the following questions: State the SI and CGS units of work.

    Text Solution

    |

  19. Answer the following questions: Define the joule and the erg.

    Text Solution

    |

  20. Answer the following questions: Obtain the relation between the joule...

    Text Solution

    |