Home
Class 11
PHYSICS
A cyclist comes to a skidding stop in 10...

A cyclist comes to a skidding stop in 10 m . During this process , the force on the cycle due to the road is 200 N and is directly opposed to the motion . (a) How much work does the road do on the cycle ? (b) How much work does the cycle do on road ?

Text Solution

Verified by Experts

Work done by the cycle = - 4000 J and work done by force on road = zer
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - B Numericals (Numerical From Textual Exercise)|42 Videos
  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - B Numericals (Numerical From .DARPAN. Based On Textbook)|15 Videos
  • WORK, ENERGY AND POWER

    KUMAR PRAKASHAN|Exercise SECTION - A Questions - Answers (Try Yourself (VSQs))|74 Videos
  • WAVES

    KUMAR PRAKASHAN|Exercise SECTION-F (Questions From Module) (Sample questions for preparation of competitive exams)|23 Videos

Similar Questions

Explore conceptually related problems

Acyclist comes to a skidding stop in 10m. During this process, the forceon the cycle due to the road is 200 N and is directy opposed to the motion. How much work does the cycle do on the road?

If a friction of 200 N exerted opposite to the motion of a object dragged up to 10m , then what will be the work done by the friction force on the road ?

A girl of mass 35 kg is sitting in a trolley of mass 5 kg. By applying the force on the trolley, it has given the velocity 4ms^(-1) . Trolley comes to rest after covering the distance 16 m, then (1) How much work is done on the trolley? (2) How much work is done on the girl?

Two syringes of different cross sections (without needles)filled with water are connected with a tightly fitted rubber tube filled with water .Diameters of the smaller piston and larger piston 1.0 cm and 3.0 cm respectively .(a)Find the force exerted on the large piston when a force of 10 N is applied to the smaller piston .(b) If the smaller piston is pushed in through 6.0 cm how much does the larger piston move out ?

A mat of mass 1kg and length 1m is placed on the floor. One end of the mat is pulled with a constant speed of 1m/s towards the other end till the other end comes in to motion (till the mat is reverse). How much force is required to do this ?

A cylinder of mass 10 kg and radius 15 cm is rolling perfectly on a plane of inclination 30o. The co- efficient of static friction µ_(s) = 0.25 . (a) How much is the force of friction acting on the cylinder ? (b) What is the work done against friction during rolling ? (c) If the inclination θ of the plane is increased, at what value of θ does the cylinder begin to skid, and not roll perfectly ?

If the hydrogen atom is initially at n = 2 state, how much work have to do to move the electron and proton far into the hydrogen atom?

KUMAR PRAKASHAN-WORK, ENERGY AND POWER -SECTION - B Numericals (Numerical From Textual Illustration)
  1. Examine Tables 61. -6.3 and express (a) the energy required to break o...

    Text Solution

    |

  2. An elevator can carry a maximum load of 1800 kg (elevator +passengers ...

    Text Solution

    |

  3. In a nuclear reactor a neutron of high speed (typically 10^(7) ms^(-1)...

    Text Solution

    |

  4. Consider the collision depicted in figure to be between two billiard b...

    Text Solution

    |

  5. Find the angle between vec(P) = - 2hat(i) +3 hat(j) +hat(k) and vec(Q...

    Text Solution

    |

  6. If the angle between vec(A) = 2hat(i)+4hat(j)+2hat(k) and vec(B) =2hat...

    Text Solution

    |

  7. It is well known that a raindrop falls under the influence of the down...

    Text Solution

    |

  8. A cyclist comes to a skidding stop in 10 m . During this process , the...

    Text Solution

    |

  9. In a ballistics demonstration a police officer fires a bullet of mass ...

    Text Solution

    |

  10. A woman pushes a trunk on a railway platform which has a rough surface...

    Text Solution

    |

  11. A block of mass m = 1 kg , moving on a horizontal surface with speed v...

    Text Solution

    |

  12. To stimulate car accident , auto manufacturers study the collision of ...

    Text Solution

    |

  13. As shown in fig. a block of mass m = 0.40 kg is moving on a frictionle...

    Text Solution

    |

  14. A spring of spring constant 500 N/m is attached on a rough surface at...

    Text Solution

    |

  15. Express incident average solar energy of 5xx10^(24) J on earth in eV ...

    Text Solution

    |

  16. Work done by one heartbeat of human is 0.5 J , then express it in eV .

    Text Solution

    |

  17. Energy released by th explosion of supernova is 10^(44) J , then expre...

    Text Solution

    |

  18. The elevator can carry a maximum load of 2800 kg (elevator +passengers...

    Text Solution

    |

  19. A railway coach of mass 8000 kg moving with speed of 54 ms^(-1) colli...

    Text Solution

    |

  20. Consider the collision depicted in gif . To be between two billiard ba...

    Text Solution

    |