Q45 / 103 · NTA Abhyas (NEET) 2020 · Physics · Motion In One Dimension

A small body is dropped from a rising balloon. A person A stands on the ground, while another person B is on the balloon. Choose the correct statement: Immediately, after the body is released.

  • A
    A and B, both feel that the body is coming (going) down.
  • B
    A and B, both feel that the body is going up
  • C
    A feels that the body is coming down, while B feels that the body is going up
  • Correct answer
    D
    A feels that the body is going up, while B feels that the body is going down.

Solution

When the body is dropped from the balloon, it also acquires the upward velocity of the balloon. So with respect to a person on the ground, the ball appears to be going up. But a person in the balloon is also going up. So with respect to him, the velocity of the body will be zero and he will then see the body to be coming down.

Hence, the correct answer is option: 'D'.

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