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AIIMS 2014
Exam
AIIMS
Year
2014
Subject
Physics
Chapter
Gravitation

AIIMS 2014 · Physics · Gravitation

What will be the effect on the weight of a body placed on the...

What will be the effect on the weight of a body placed on the surface of earth, if earth suddenly stops rotating?

Options

  1. ANo effect
  2. BWeight will increase
  3. CWeight will decrease
  4. DWeight will become zero

Correct answer

B. Weight will increase

Step-by-step solution

The value of gg at latitude λ\lambda is g′=g−Rω2cos⁡2λg^{\prime}=g-R \omega^2 \cos ^2 \lambda If earth stops rotating, ω=0;g′=g\omega=0 ; g^{\prime}=g. It means the weight of body will increase.
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