Home
Class 9
PHYSICS
In which of the following case of work d...

In which of the following case of work done by a force will be maximum : when the angle between the direction of force and direction of motion is `0^(@)` or `90^(@)` ?

Text Solution

Verified by Experts

The correct Answer is:
When the angle between the direction of force and direction of motion is `0^(@)`
NA
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Type Questions|2 Videos

  • WORK AND ENERGY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Multiple Choice Questions|1 Videos

  • WORK AND ENERGY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Multiple Choice Questions|1 Videos

  • SOUND

    LAKHMIR SINGH & MANJIT KAUR|Exercise Value Based Questions|20 Videos

Similar Questions

Explore conceptually related problems

In which of the following cases no work is done by the force?

When is work done by a force zero ?

When is work done by a force postivie ?

When is work done by a force negative ?

In which of the following, the work done by the mentioned force is negative ? The work done by

What should be the angel between the direction of force and displacement for maximum and minimum work?

Can force determine the direction of motion ? Direction of acceleration ?

LAKHMIR SINGH & MANJIT KAUR-WORK AND ENERGY-Exercise
  1. The work done by a force acting obliquely is given by the formula : W ...

    Text Solution

    |

  2. What should be the angle between the direction of motion of a body so ...

    Text Solution

    |

  3. In which of the following case of work done by a force will be maximum...

    Text Solution

    |

  4. How much work is done by the gravitational force of earth acting on a ...

    Text Solution

    |

  5. A man is instructed to carry a package from the base camp at B to summ...

    Text Solution

    |

  6. When a ball is thrown vertically upwards, its velocity goes on decreas...

    Text Solution

    |

  7. A man X goes to the top of a building by a vertical spiral staircase....

    Text Solution

    |

  8. When a ball is thrown inside a moving bus, does its kinetic energy dep...

    Text Solution

    |

  9. A bullet of mass 15 g has a speed of 400 m/s. What is its kinetic ener...

    Text Solution

    |

  10. COMMERCIAL UNIT OF ENERGY

    Text Solution

    |

  11. One kilowatt-hour is equal to :

    Text Solution

    |

  12. Name two units of power bigger than watt.

    Text Solution

    |

  13. Define the term 'watt'.

    Text Solution

    |

  14. One horse power is equal to

    Text Solution

    |

  15. Name the physical quantity whose unit is watt.

    Text Solution

    |

  16. What is the power of a body which is doing work at the rate of one jou...

    Text Solution

    |

  17. A body does 1200 joules of work in 2 minutes. Calculate its power.

    Text Solution

    |

  18. How many joules are there in one kilowatt-hour?

    Text Solution

    |

  19. Name the quantity whose unit is : (a) kilowatt (b) kilowatt-hour

    Text Solution

    |

  20. What is the common name of '1 kWh' of electrical energy?

    Text Solution

    |