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The acceleration of a freely falling b...

The acceleration of a freely falling body does not depend on the mass of the body . Show this by deriving an expression for the same

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To show that the acceleration of a freely falling body does not depend on its mass, we can derive an expression based on Newton's law of gravitation and Newton's second law of motion. Here’s a step-by-step solution: ### Step 1: Understand the Forces Acting on the Body When a body is falling freely under the influence of gravity, the only force acting on it is the gravitational force exerted by the planet (e.g., Earth, Mars, etc.). ### Step 2: Write Down Newton's Law of Gravitation According to Newton's law of gravitation, the gravitational force \( F \) acting on a body of mass \( m \) at a distance \( r \) from the center of a planet of mass \( M \) is given by: \[ ...
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Knowledge Check

  • For a freely falling body

    A
    True weight = Apparent weight
    B
    True weight lt Apparent weight
    C
    Apparent weight is zero
    D
    Apparent weight gt Normal reaction
  • The KE of a freely falling body

    A
    is directly proportional to height of its fall
    B
    is inversely proportional to height of its fall
    C
    is directly proportional to square of time of its fall
    D
    `1` and `3` are true
  • The teminal velocity of freely falling body is

    A
    constnat
    B
    unity
    C
    zero
    D
    variable as function of height
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