Home
Class 11
PHYSICS
A helicopter of mass 1000 kg rises with ...

A helicopter of mass 1000 kg rises with a vertical acceleration of `15 m s^-2`. The crew and the passengers weigh 300 kg. Give the magnitude and direction of the:- force on the floor by the crew and passengers,

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A helicopter of mass 1000 kg rises with a vertical acceleration of 15 m s^-2 . The crew and the passengers weigh 300 kg. Give the magnitude and direction of the:- action of the rotor of the helicopter on the surrounding air,

Ten one-rupee coins are put on top of each other on a table. Each coin has a mass m Give the magnitude and direction of:- the force on the 7th coin by the eighth coin,

A body of mass 5 kg is acted upon by two perpendicular forces 8 N and 6 N. Give the magnitude and direction of the acceleration of the body.

A rocket with a lift-off mass 20,000 kg is blasted upwards with an initial acceleration of 5.0 m s^-2 . Calculate the initial thrust (force) of the blast.

A constant force acting on a body of mass 3.0 kg changes its speed from 2.0 m s^-1 to 3.5 m s^-1 in 25 s. The direction of the motion of the body remains unchanged. What is the magnitude and direction of the force ?

How much force will be required to produce an acceleration of 4 ms ^(-2) in a ball of mass 6 kg ?

A pebble of mass 0.05 kg is thrown vertically upwards. Give the direction and magnitude of the net force on the pebble:- during its upward motion.

MBD-LAWS OF MOTION-EXAMPLE
  1. A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...

    Text Solution

    |

  2. A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...

    Text Solution

    |

  3. A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...

    Text Solution

    |

  4. When a body is stationary

    Text Solution

    |

  5. A shell in flight explodes into four unequal parts. Which of the follo...

    Text Solution

    |

  6. A man sitting in a train which is in motion is facing the engine. He t...

    Text Solution

    |

  7. A stretching force of 1 N is applied at one end of a spring balance an...

    Text Solution

    |

  8. A bird weights 2 kg and is inside a cage of 1 kg. If it starts flying ...

    Text Solution

    |

  9. A man weighs 80 kg. He stands on a weighing scale in the lift, which i...

    Text Solution

    |

  10. Three forces start acting simultaneously on a particle moving with vel...

    Text Solution

    |

  11. Air is thrown on the sail of a stationary boat by an electric fan kept...

    Text Solution

    |

  12. Brakes of very small contact area are not used although friction is in...

    Text Solution

    |

  13. Why are tyres made circular?

    Text Solution

    |

  14. Proper inflation of tyres saves fuel. this is because:

    Text Solution

    |

  15. Aeroplanes jets etc. are stremlined to reduce

    Text Solution

    |

  16. A horse pulls a cart harder during the first few steps because.

    Text Solution

    |

  17. A box is placed on an inlcined plane and has to be pushed down. The an...

    Text Solution

    |

  18. A stretching force of 1 N is applied at one end of a spring balance an...

    Text Solution

    |

  19. Fill in the blanks: Newton's law is te real law of motion.

    Text Solution

    |

  20. Fill in the blanks: Spark coming out of a grinding stone is the exam...

    Text Solution

    |