Home
Class 7
PHYSICS
A boy displaces a box by applying force ...

A boy displaces a box by applying force of 5 N on it . If work done by boy is 20 j then , what will be the displacement of box ?

Promotional Banner

Topper's Solved these Questions

  • MEASUREMENT OF PHYSICAL QUANTITIES

    TARGET PUBLICATION|Exercise SOLVED|50 Videos
  • PROPERTIES OF NATURAL RESOURCES

    TARGET PUBLICATION|Exercise SOLVED|76 Videos

Similar Questions

Explore conceptually related problems

A person goes 10 km north and 20 km east. What will be the displacement from initial point?

True or False. The work done is zero if there is no displacement

Solve the following questions : When certain weight is tied through pulley , the block gets displaced through displacement of 50cm .the work done on the block is 2500 erg then , how much force is applied on the block by weight ?

While decreasing linearly from 5 N to 3 N, a force displaces an object from 3 m to 5 m. Calculate the work done by this force during this displacement.

Choose the correct options A force F = (0.5x + 12) N acts on a particle. If x is in metres, calculate the work done by the force during the displcement of the particle from x= 0 to x = 4 m

Solve the following examples: When a force of 20 N acts on a body, the body is displaced by 5 m. If the angle between the force and displacement is 60° , find the work done by the force.

Solve the following example : The volume of a plastic covered sealed box is 350 cm^3 and the box has a mass 500 g Will the box float on water or sink in water ? What will be the mass of water displaced by the box ?

An object of mass 2 kg is thrown downwards. What is the work done by he gravity during the vertical displacement of object through 3 m?

Pravin has applied a force of 100 N on an object, at an angle of 60° to the horizontal. The object gets displaced in the horizontal direction and 400 J work is done. What is the displacement of the object?

TARGET PUBLICATION-MOTION , FORCE AND WORK-SOLVED
  1. What is meant by motion ? What causes a change in motion ?

    Text Solution

    |

  2. Oral work : Why is displacement a vector quantity ?

    Text Solution

    |

  3. Oral work : What is an instantaneous velocity ?

    Text Solution

    |

  4. Oral work : How much force will be applied on mass of 1 kilogram on a...

    Text Solution

    |

  5. Oral work : When is the work done said to be 1 joule ?

    Text Solution

    |

  6. Solve the following crossword : Across : Total path length of route...

    Text Solution

    |

  7. Solve the following crossword : Across : Increase in velocity caus...

    Text Solution

    |

  8. Solve the following crossword : Across : ………….. = force x displace...

    Text Solution

    |

  9. Solve the following crossword : Down : Speed is ……….. Quantity ..:

    Text Solution

    |

  10. Solve the following crossword : Down : CGS unit of work ..:

    Text Solution

    |

  11. Solve the following crossword : Down : ………… is measured by accel...

    Text Solution

    |

  12. Choose the correct alternative : The ………. Can be different at diffe...

    Text Solution

    |

  13. Choose the correct alternative : The ability to do work is …………

    Text Solution

    |

  14. Choose the correct alternative : Force is measured by the ……….. That...

    Text Solution

    |

  15. Choose the correct alternative : Acceleration is produced …………..

    Text Solution

    |

  16. State right or wrong . If wrong , write the correct sentence : Unit ...

    Text Solution

    |

  17. State right or wrong . If wrong , write the correct sentence : Work ...

    Text Solution

    |

  18. Answer the following : Reema cycled once around the circular garden ...

    Text Solution

    |

  19. Answer the following : What are the conditions in which acceleration...

    Text Solution

    |

  20. A boy displaces a box by applying force of 5 N on it . If work done by...

    Text Solution

    |