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What is the minimum reading that the weighing machine on the platform would show, if a person normally weighing 50 kg stands on a massless platform which oscillates up and down harmonically at a frequency of 2.0 s –1 and an amplitude of 5.0 cm?

Options

  1. A50 N
  2. B70 N
  3. C90 N
  4. D110 N

Correct answer

C. 90 N

Step-by-step solution

Correct Option is : (C) 90 N

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