Home
Class 12
PHYSICS
Assertion : In a free fall, the initial ...

Assertion : In a free fall, the initial velocity of a body may or may not be zero.
Reason : A heavy body falls at a faster rate as compared to a light body.

A

a.If both assertion `&` Reason are True `&` the Reason is a corrrect explanation of the Asserion.

B

b.If both Assertion `&` Reason are True but Reason is not correct explanation of the Assertion.

C

c.If Assertion is Trie but the Reason is False.

D

d.If both Assertion `&` Reason are false

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to analyze the assertion and the reason provided. ### Step 1: Understand the Assertion The assertion states: "In a free fall, the initial velocity of a body may or may not be zero." - **Explanation**: Free fall refers to the motion of an object under the influence of gravity alone. This means that the object can start from rest (initial velocity = 0) or it can have an initial velocity (for example, if it is thrown downwards or upwards). Therefore, the assertion is correct. ### Step 2: Understand the Reason The reason states: "A heavy body falls at a faster rate as compared to a light body." - **Explanation**: According to the principles of physics, specifically Galileo's experiments and Newton's laws, all objects in free fall experience the same acceleration due to gravity, regardless of their mass. This means that a heavy body does not fall faster than a light body in a vacuum. Therefore, the reason is incorrect. ### Step 3: Conclusion Based on the analysis: - The assertion is correct. - The reason is incorrect. Thus, the correct answer is that the assertion is true, but the reason is false. ### Final Answer Assertion is true, Reason is false. ---
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PALNE

    ALLEN|Exercise SOLVED EXAMPLE|28 Videos
  • MOTION IN A PALNE

    ALLEN|Exercise EXERCISE-2|170 Videos
  • KINEMATICS-2D

    ALLEN|Exercise Exercise (O-2)|46 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos

Similar Questions

Explore conceptually related problems

Assertion: Rest of a body is a relative term. Reason: Motion of a body may be absolute term.

Who told that heavy bodies fall faster than light ones?

For a freely falling body

The force of gravity is proportional to the masses of the bodies. Then why doesn't a heavy body fall faster than a light body?

Assertion : In a freely falling liquid container, upthrust force is zero. Reason : In freely falling case value of effective value of g is zero.

Assertion : If a pendulum falls freely, then its time period becomes infinite. Reason : Free falling body has acceleration, equal to 'g'.

Glands in a vertabrate body may originate from

Low Ca^(+) in the body fluid may be the cause of

Assertion : A body can have acceleration even if its velocity is zero at a given instant of time. Reason : A body is momentarily at rest when it reverses its direction of motion.

With respect to body temperature camel may be regarded as

ALLEN-MOTION IN A PALNE-EXERCISE-3
  1. Assertion: Average speed of a particle in a given time interval is nev...

    Text Solution

    |

  2. Assertion: In successive time intervals if the average velocities of a...

    Text Solution

    |

  3. Assertion : In a free fall, the initial velocity of a body may or may ...

    Text Solution

    |

  4. Assertion: An observer is moving due east and wind appears him to blow...

    Text Solution

    |

  5. Assertion: The distance and displacment both are equal when the partic...

    Text Solution

    |

  6. Statement I: Graph (1) represent one dimensional motion of a particle....

    Text Solution

    |

  7. Assertion: In general |Displacement| le distance. Reason: The instan...

    Text Solution

    |

  8. Assertion : In a free fall, the initial velocity of a body may or may ...

    Text Solution

    |

  9. Assertion: Distance is a actual length of the path but displacement is...

    Text Solution

    |

  10. Assertion: Rest of a body is a relative term. Reason: Motion of a bo...

    Text Solution

    |

  11. Assertion: If a body moves on a straight line, magnitude of its displa...

    Text Solution

    |

  12. Assertion: Separation between two bodies moving in the same direction ...

    Text Solution

    |

  13. Assertion: To cross the river in minimum time swimmer should swimming ...

    Text Solution

    |

  14. Assertion: A body moving with constant acceleration always travels equ...

    Text Solution

    |

  15. Assertion: A body,whatever its motion, is always at rest in a frame of...

    Text Solution

    |

  16. Assertion : A body droped from a given height and another body project...

    Text Solution

    |

  17. Statement-I : A projectile is thrown with an initial velocity of (ahat...

    Text Solution

    |

  18. Assertion: If the positon vector of a particle moving in space is give...

    Text Solution

    |

  19. Assertion: In projectile motion, when horizontal range is n times the ...

    Text Solution

    |

  20. Assertion: Path of projected ball becomes parabolic in gravitational f...

    Text Solution

    |