Home
Class 10
PHYSICS
A nut is opened by a wrench of length 20...

A nut is opened by a wrench of length 20 cm. If the least force required is 2 N, find the moment of force needed to loosen the nut.

Text Solution

AI Generated Solution

To solve the problem of finding the moment of force needed to loosen the nut using a wrench, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Given Values:** - Length of the wrench (distance from the nut to the point of force application) = 20 cm = 0.2 m - Force applied (F) = 2 N ...
Promotional Banner

Topper's Solved these Questions

  • SELF ASSESSMENT PAPER 4

    ICSE|Exercise SECTION-B|42 Videos
  • SELF ASSESSMENT PAPER -5

    ICSE|Exercise SECTION-B|35 Videos
  • SIMPLE MACHINES

    ICSE|Exercise DIAGRAM BASED MCQ|5 Videos

Similar Questions

Explore conceptually related problems

A nut is opened by a wrench of length 10cm. IF the least force required is 5.0N, find the moment of force needed to turn the nut.

The breadth of an iron door is 2.4 m. If the minimum torque required to open the door is 50 Nm, what is the minimum force required to open the door?

A force F is required to break a wire of length L and radius r. Find the force required to break a wire of the same material, length 2L and radius 4r.

The iron door of a building is 3m broad. It can be opened by applying a force of 100N normally at the middle of the door. Calculate (a) the torque needed to open the door, (b) the least force and its point of application to open the door.

Hooke's law states that the force needed to keep a spring stretched x units beyond its natural length is directly proportional to x. if a spring has a natural length of 10 cm, and a force of 40 N (newtons) is required to keep the spring stretched to a length to 15 cm , what force , in newtons, will be needed to keep the spring stretched to a length of 14 cm ?

The greatest and least resulant of two forces acting at a point is 10N and 6N ,respectively. If each force is increased by 3N , find the resulant of new forces when acting at a point at an angle of 90^(@) with each other .

Two forces each of magnitude 5 N are applied in opposite directions at the ends of a uniform nod of length 0.5 m. Draw diagram of the arrangement and find the total moment of the two forces.

A block of mass 5kg is placed on a rough horizontal plane whose coefficient of friction is 0.3 . Find the least horizontal force needed to move the block along the plane and the resultant of normal reaction and the force applied.

A nut which can be broken by applying a force of 40 kgf, is broken by using a nut cracker having its handle 20 cm long, by placing it at a distance 2 cm from the hinge. Calculate the minimum force needed to break the nut.

A spanner is used to unscrew a nut. A force of 30 N is applied to the end of the spanner, which is 10 cm away from the centre of the nut. Calculate the moment of force when the spanner is horizontal.

ICSE-SELF ASSESSMENT PAPER 4-SECTION-B
  1. A battery of e.m.f. 12 V and internal resistance 2 Omega is connected ...

    Text Solution

    |

  2. Name the liquid which has the highest specific heat capacity.

    Text Solution

    |

  3. Name two factors on which the heat absorbed or given out by a body dep...

    Text Solution

    |

  4. An equal quantity of heat is supplied to two substances A and B. The s...

    Text Solution

    |

  5. State in brief, the meaning of each of the following: The heat capac...

    Text Solution

    |

  6. State in brief, the meaning of each of the following: The specific l...

    Text Solution

    |

  7. State in brief, the meaning of each of the following: The specific h...

    Text Solution

    |

  8. Radioactive materials as an alternative source of energy must be wisel...

    Text Solution

    |

  9. An engine can pump 30,000 L of water to a vertical height of 45 m in 1...

    Text Solution

    |

  10. An object of mass 'm' is allowed to fall freely from a point A as show...

    Text Solution

    |

  11. An object of mass 'm' is allowed to fall freely from a point A as show...

    Text Solution

    |

  12. An object of mass 'm' is allowed to fall freely from a point A as show...

    Text Solution

    |

  13. State three characteristics of musical sound.

    Text Solution

    |

  14. How does the musical sound differ from the noise?

    Text Solution

    |

  15. A nut is opened by a wrench of length 20 cm. If the least force requir...

    Text Solution

    |

  16. Can the centre of mass of a body be at a point outside the body?

    Text Solution

    |

  17. A nucleus ""(11)Na^(24) emits a beta particle to change into Magnesium...

    Text Solution

    |

  18. A nucleus ""(11)Na^(24) emits a beta-particle to change into magnesium...

    Text Solution

    |

  19. A nucleus ""(11)Na^(24) emits a beta particle to change into Magnesium...

    Text Solution

    |

  20. Define the emf (E) of a cell and the potential difference (V) across a...

    Text Solution

    |