Q:

If a traction hanging mass is 3 kg, use Newton’s second law (or otherwise) to determine the gravitational force acting on the mass

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If a traction hanging mass is 3 kg, use Newton’s second law (or otherwise) to determine the gravitational force acting on the mass.


  1. 0.3 newtons
  2. 3 newtons
  3. 30 newtons
  4. 3 kilograms

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C: Newton’s second law: Fma = ´ putting in the numbers gives: F N =´ = 3 10 30 (a = 9.8 ms −2 but 10 is close enough) 

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