Home
Class 11
PHYSICS
When a body is acclerated : (i) its velo...

When a body is acclerated : (i) its velocity always changes (ii) its speed always changes (iii) its direction always changes (iv) its speed may or may not change.
Which of the following is correct ?

A

`(i),(ii)`

B

`(i),(iv)`

C

`(ii),(ii)`

D

`(ii),(iii)`

Text Solution

Verified by Experts

The correct Answer is:
B

When the velocity (either magnitude or direction or both) changes, acceleration is produced.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Fish change its direction suddenly by :

A particle moving with velocity V changes its direction of motion by an angle theta without change in speed. Which of the following Statement is not correct?

If the wave changes its medium then which of the following physical quantity changes?

A : When a body is charged, its mass changes. R : Charge is quantized.

Does a force acting on a body always cause a change in its state of motion?

A body is said to be in a state of motion if it changes its _____.

Can the direction of motion of a body change if its velocity is changing at uniform rate ?

If the velocity of a body does not change with time, its acceleraton is

CP SINGH-CIRCULAR MOTION-Exercise
  1. The position vector of a particle in a circular motion about the origi...

    Text Solution

    |

  2. Which of the following quantities may remain constant during the motio...

    Text Solution

    |

  3. When a body is acclerated : (i) its velocity always changes (ii) its s...

    Text Solution

    |

  4. Which of the following statements is FALSE for a paricle moving in a...

    Text Solution

    |

  5. A bead is free to slide down on a smooth wire rightly stretched betwee...

    Text Solution

    |

  6. A car is negotisting a curved road of radius R . The road is banked at...

    Text Solution

    |

  7. A gramphone record is revolving with an angular velocity omega. A coin...

    Text Solution

    |

  8. A coin, placed on a rotating turntable slips, when it is placed at a d...

    Text Solution

    |

  9. If a car is to travel with a speed v along the frictionless, banked ci...

    Text Solution

    |

  10. A car of mass 1000kg negotiates a banked curve of radius 90m on a fict...

    Text Solution

    |

  11. The radius of the curved road on a national highway is R. The width of...

    Text Solution

    |

  12. Keeping the angle of banking, if the radius of curvature is made four ...

    Text Solution

    |

  13. A car is moving in a circular horizonta track of radius 10m with a con...

    Text Solution

    |

  14. A particle of mass m is fixed to one end of a massless spring of sprin...

    Text Solution

    |

  15. A hollow cylinder of radius R rotates about its axis which is vertical...

    Text Solution

    |

  16. A ball of mass 0.25kg attached to the end of a string of length 1.96m ...

    Text Solution

    |

  17. A ball of mass 500g tied to one end of string is revolved in a horizon...

    Text Solution

    |

  18. A mass is supported on a frictionless horizontal surface. It Is attach...

    Text Solution

    |

  19. Three identical particles are joined together by a thread as shown in ...

    Text Solution

    |

  20. A stone of mass m tied to a string of length l is rotated in a circle ...

    Text Solution

    |