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The weight of a body is 147N. what is its mass?

User MetaFight
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1 Answer

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To find the mass, with only the weight:

⇒ must consider the relationship between the mass and weight

⇒ (in other words) we must find the equation that has both the

mass and weight

Based on our physics knowledge, we know:


Weight=mass*gravitational_. acceleration

  • Weight: 147N
  • Gravitational Acceleration: 9.8 m/s²

Now let's plug in the values, and solve:


147N = mass*9.8_.m/s^2\\mass = 15_.kg

Answer: 15 kg

Hope that helps!

*as a note, if you use the gravitational acceleration as 10m/s², then the answer would be 14.7 kg

User Wheat Wizard
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