Home
Class 10
PHYSICS
How is work done by a force measured whe...

How is work done by a force measured when the force :
is in the direction of displacement.

Text Solution

Verified by Experts

`W= fdcostheta`
Work `xx `Force `xx` displacement (as F is parallel to d) and `cos0^(@)=1`
Promotional Banner

Topper's Solved these Questions

  • SAMPLE QUESTION PAPER 2

    ICSE|Exercise SECTION-B|32 Videos

  • SAMPLE QUESTION PAPER 1

    ICSE|Exercise SECTION .B.|36 Videos

  • SAMPLE QUESTION PAPER 4

    ICSE|Exercise SECTION B|38 Videos

Similar Questions

Explore conceptually related problems

How is the work done by a force measured when (i) force is in the direction of displacement, (ii) force is at an angle to the direction of displacement ?

How is work done by a force measured when the force : is at an angle of displacement

(A): The method of dimensions cannot be used to obtain the dependence of work done by a force when the force is inclined to the direction of displacement. (R): All trigonometric functions are dimensionless.

Work done by a spning force is

Work done by a spring force is

Assertion :- Work done is positive when force acts in the direction of displacement. Reason :- Work done by frictional force can not be positive.

What is the work done by a force when the force is: Normal to the displacement produced.

Write an expression for the work done when a force is acting on an object in the direction of its displacement.

Work done by frictional force

ICSE-SAMPLE QUESTION PAPER 2-SECTION-B
  1. How is work done by a force measured when the force : is in the di...

    Text Solution

    |

  2. Show that the sum of kinetic energy and potential energy (ie, total me...

    Text Solution

    |

  3. A uniform metre rod is balanced at the 70 cm mark by suspending a weig...

    Text Solution

    |

  4. Draw a diagram of a pulley system of velocity ratio 4. Calculate its m...

    Text Solution

    |

  5. What is understood by lateral displacement? State two factors on which...

    Text Solution

    |

  6. An object is kept at a distance of 15 cm from a convex lens of focal l...

    Text Solution

    |

  7. Write two properties common to all the electromagnetic radiations.

    Text Solution

    |

  8. Name two sources, each of infrared radiations and ultraviolet radiatio...

    Text Solution

    |

  9. A vibrating tuning fork is placed over the mouth of a burette filled w...

    Text Solution

    |

  10. A vibrating tuning fork is placed over the mouth of a burette filled w...

    Text Solution

    |

  11. Define the power of a lens.

    Text Solution

    |

  12. A child is using a spectacle with power of -2.5 D. What is meant by th...

    Text Solution

    |

  13. Find the focal length of the lens used.

    Text Solution

    |

  14. A man standing in front of a wall produces a sound and hears an echo a...

    Text Solution

    |

  15. What characteristics should a fuse wire have?

    Text Solution

    |

  16. Name two factors on which the internal resistance of a cell depends an...

    Text Solution

    |

  17. In the circuit diagram given below, a cell of 9 V and internal resista...

    Text Solution

    |

  18. In the circuit diagram given below, a cell of 9 V and internal resista...

    Text Solution

    |

  19. In the circuit diagram given below, a cell of 9 V and internal resista...

    Text Solution

    |

  20. In the circuit diagram given below, a cell of 9 V and internal resista...

    Text Solution

    |

  21. Define latent heat of fusion of ice.

    Text Solution

    |