Home
Class 12
PHYSICS
Choose the correct statement...

Choose the correct statement

A

Friction force always opposes the motion of the body

B

The direction of the force of friction always opposes the tendency of relative motion of a body

C

The coefficient of kinetic friction is usually grater than the coefficeint of static friction

D

Friction force depends on the surface area of contact

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION -B) objective type questions (one option is correct)|33 Videos

  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION -C) objective type questions (More than one options are correct)|7 Videos

  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise TRY YOURSELF|67 Videos

  • KINETIC THEORY

    AAKASH INSTITUTE|Exercise EXERCISE (ASSIGNMENT) SECTION - D Assertion - Reason Type Questions|10 Videos

  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION D)|26 Videos
AAKASH INSTITUTE-LAWS OF MOTION-ASSIGNMENT ( SECTION -A)
  1. The masses of two bodies are in the ratio 1:6 and their velocities are...

    Text Solution

    |

  2. If two bodies collide , then impulsive foce between them can change

    Text Solution

    |

  3. Choose the correct statement

    Text Solution

    |

  4. A bullet of mass A and velocity B is fired into a wooden block of ma...

    Text Solution

    |

  5. A boy of mass 50 kg jumps with horizontal velocity of 1 m/s on to a ...

    Text Solution

    |

  6. A bullet of mass 40 g is fired from a gun of mass 10 kg. If velocity o...

    Text Solution

    |

  7. A ball of mass 50 g is dropped from a height of 20 m. A boy on the gro...

    Text Solution

    |

  8. A string tied on a roof can bear a maximum tension of 50 kg wt. The mi...

    Text Solution

    |

  9. If a block moving up an inclined plane at 30^(@) with a velocity of 5 ...

    Text Solution

    |

  10. In the given figure , what wil be the acceleration of each block ?

    Text Solution

    |

  11. Which of the following is a contact force ?

    Text Solution

    |

  12. Three blocks of masses 5 kg, 10 kg and 15 kg are connected to - light ...

    Text Solution

    |

  13. Two blocks of mass m(1) and m(2) lie on smooth horizontal table in co...

    Text Solution

    |

  14. Two masses m(1) and m(2) are connected to the end of a string passing...

    Text Solution

    |

  15. An elevator is moving vertically up with a acceleration a the...

    Text Solution

    |

  16. A20 kg block is initally at rest. A 75 N force is required to set the ...

    Text Solution

    |

  17. Which of the following is a self adjusting force ?

    Text Solution

    |

  18. What is the SI unit of force of friction ?

    Text Solution

    |

  19. A particle of mass 2m moving with velocity v strikes a stationary par...

    Text Solution

    |

  20. A cubical block rests on a plane of mu= sqrt(3) . The angle through wh...

    Text Solution

    |