Home
Class 11
PHYSICS
When a person walks on a rough surface, ...

When a person walks on a rough surface, the frictional force exerted by the surface on the person is opposite to the direction of his motion.

Text Solution

Verified by Experts

The statement is wrong When a person walks he pushes the ground // road backwards with his feet Hence force of friction acts in the forward direction I e in the direction of this motion .
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    PRADEEP|Exercise Very short answer questions|73 Videos

  • LAWS OF MOTION

    PRADEEP|Exercise Long Answer Questions|16 Videos

  • LAWS OF MOTION

    PRADEEP|Exercise solved examples|104 Videos

  • KINEMATICS

    PRADEEP|Exercise 1 NCERT Comprehension|4 Videos

  • MATHEMATICAL TOOLS

    PRADEEP|Exercise Fill in the blanks|5 Videos

Similar Questions

Explore conceptually related problems

When a person walls on a rought surface, the frictional force exerted by the surface on the person is opposite to the direction of his motion.

When a person walks on a rought surface, the frictional force exerted by surface on the porson is opposite to the direction of his motion. It is the force exerted by the road on the person that causes the motion.

Assertion: When a person walks on a rough surface, the frictional force exerted by the surface on the person is opposite to the direction of tendenc of motion his leg. Reason: If a body moves with constant velocity, then it means that body is moving along straight line & there is no acceleration.

These questions consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following four responses Assertion When a person walks on a rough surface, the net force exerted by surface on the person in the direction of his motion. Reason It is force exerted by the road on the person that causes the motion.

A : When a man is walking on a rough road, that work done by frictiona force is zero. R : Frictional force acts in the direction of the motion of the man in this case.

The force exerted by surface tension on the free surface

Assertion: When a force vecF attempts to slide a body along a surface, a frictional force parallel to the surface and directed so as to oppose the sliding, is exerted on the body by the surface. Reason: It is due to the bonding between the body and the surface.

All surfaces are rough . Draw the friction force on A & B

PRADEEP-LAWS OF MOTION-conceptual problmes
  1. Is large brake on a bicycle wheel more effective than a small one ? Ex...

    Text Solution

    |

  2. How do we save petrol when the types of the motor cycle are fully infl...

    Text Solution

    |

  3. A block of mass 1 kg lies on a horizontal surface in a truck. The coef...

    Text Solution

    |

  4. A block is gently placed at the top of an inclined plane 6.4 m long . ...

    Text Solution

    |

  5. How does a lubricant help in reducing friction ?

    Text Solution

    |

  6. When a person walks on a rough surface, the frictional force exerted b...

    Text Solution

    |

  7. Can coefficient of friction exceed unity ?

    Text Solution

    |

  8. Why are ball bearings used in machinery ?

    Text Solution

    |

  9. Write a note on banking of roads.

    Text Solution

    |

  10. A horse pulling a cart has to apply a greater force to start the cart ...

    Text Solution

    |

  11. How does banking of roads reduce wear and tear of the tyres ?

    Text Solution

    |

  12. Why has a horse to pull a cart harder during the first few steps of hi...

    Text Solution

    |

  13. Why does a cyclist lean to one side while going along a curve ? In wha...

    Text Solution

    |

  14. A stone tied at the end of sring is whirled in a circle. If the string...

    Text Solution

    |

  15. Why does a child in a merry - go - round press the side of his seat ra...

    Text Solution

    |

  16. What is the source of centripetal force , when an electron revolves ar...

    Text Solution

    |

  17. A bucket containing water is rotated in a vertical circle. Explain why...

    Text Solution

    |

  18. Why does a pilot not fall down when his aeroplane loops a vertical loo...

    Text Solution

    |

  19. One aften comes across the following kind of statement concerning circ...

    Text Solution

    |

  20. If a force is acting on a moving body in a direction perpendicular to ...

    Text Solution

    |