Home
Class 11
PHYSICS
A flywheel of mass 25 kg has a radius of...

A flywheel of mass 25 kg has a radius of 0.2 m. What force should be applied tangentially to the rim of the flywheel so that it acquires an angular acceleration of `2 "rad s"^(-2)` ?

Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    SL ARORA|Exercise Problem|24 Videos
  • ROTATIONAL MOTION

    SL ARORA|Exercise Problem for self practice|90 Videos
  • PROPERTIES OF SOLIDS

    SL ARORA|Exercise All Questions|97 Videos
  • System of particles & rotational Motion

    SL ARORA|Exercise EXERCISE|353 Videos

Similar Questions

Explore conceptually related problems

A hollow sphere of mass 1 kg and radius 10 cm is free to rotate about its diameter. If a force of 30 N is applied tangentially to it, its angular acceleration is (in rad/ s^(2) )

A string is wound round the rim of a mounted flywheel of mass 20 kg and radius 20 cm . A steady pull of 25 N is applied on the cord. Neglecting friction and mass of the string, the angular acceleration of the wheel in rad//s^(2) is

A disc has mass 'M" and radius 'R'. How much tangential force should be applied to the rim of the disc so as to rotate with angular velocity omega in time 't'?

A disc has mass 'M' and radius 'R'. How much tangential force should be applied to the rim of the disc, so as to rotate with angular velocity 'omega' in time 't' ?

A flywheel of mass 25 kg has a radius of 0.2 m. It is making 240 r.p.m. what is the torque necessary to bring it to rest in 20 s ? If the torque is due to a force applied tangentially on the rim of the flywheel, what is the magnitude of the force ?

Figure shows a uniform disk that can rotate around its center like a merry-go-round. The disk has a radius of 2.00 cm and a mass of 20.0 grams and is initially at rest. Starting at time t = 0, two forces are to be applied tangentially to the rim as indicated, so that at time t = 1.25 s the disk has an angular velocity of 250 rad/s counterclockwise. Force vecF_(1) has a magnitude of 0.100 N. What is magnitude F_(2) ?

A flywheel with a diameter of 1.20 m is rotating at an angular speed of 200 rev/min. (a) What is the angular speed of the flywheel in radians per second? (b) What is the linear speed of a point on the rim of the flywheel? ( c) What constant angular acceleration (in revolutions per minute-squared) will increase the wheel's angular speed to 1000 rev/min in 60.0 s? (d) How many revolutions does the wheel make during that 60.0 s?

8 kg wheel has radius of gyration (1/4) m. The torque required to give it an angular acceleration of 4 rad//s^(2) , is

SL ARORA-ROTATIONAL MOTION-Problem for self practice
  1. A flywheel of mass 25 kg has a radius of 0.2 m. What force should be a...

    Text Solution

    |

  2. The distance between the carbon atom and the oxygen atom in a carbon m...

    Text Solution

    |

  3. Three particles of msses 1.0 kg , , 2.0 kg and 3.0 kg are placed at th...

    Text Solution

    |

  4. Two bodies of masses 10 kg and 2 kg are moving with velocities 2 hat(i...

    Text Solution

    |

  5. Four particles of masses m, m, 2m and 2m are placed at the four corner...

    Text Solution

    |

  6. Three particles of masses 0.50 kg, 1.0 kg and are placed at the corner...

    Text Solution

    |

  7. Four particles of masses m, m, 2m and 2m are placed at the corners of ...

    Text Solution

    |

  8. Two bodies of masses 2 kg and 1 kg are moving along the same line with...

    Text Solution

    |

  9. The mass per unit length (lambda) of a non-uniform rod varies linearly...

    Text Solution

    |

  10. The centre of mass of three particles of masses 1kg, 2 kg and 3kg lies...

    Text Solution

    |

  11. From a square sheet of uniform density , a portion a removed shown sha...

    Text Solution

    |

  12. A 100 g weight is tied at the end of a string and whirled around in ho...

    Text Solution

    |

  13. A gramophone disc rotates at 60 rpm. A coin of mass 18 g is placed at ...

    Text Solution

    |

  14. A string can withstand a tension of 25 N. What is the greatest speed ...

    Text Solution

    |

  15. A ball of mass 100 g is suspended by a string 40 cm long. Keeping the ...

    Text Solution

    |

  16. Find the maximum speed at which a car can take turn round a curve of 3...

    Text Solution

    |

  17. What should be the coefficient of friction between the tyres and the r...

    Text Solution

    |

  18. The mass of a bicycle rider along with the bicycle is 100 kg. he wants...

    Text Solution

    |

  19. A cyclist riding at a speed of 14sqrt(3) ms^(-1) takes a turn around a...

    Text Solution

    |

  20. A cyclist speeding at 6ms^(-1) in a circle of 18 m radius makes an ang...

    Text Solution

    |

  21. A motor cyclist goes round a circular race course of diameter 320 m at...

    Text Solution

    |