Class 9 Science - Chapter Gravitation NCERT Solutions | Gravitational force on the surface of th

Welcome to the NCERT Solutions for Class 9th Science - Chapter Gravitation. This page offers a step-by-step solution to the specific question from Exercise 6, Question 12: gravitational force on the surface of the moon is....
Question 12

Gravitational force on the surface of the moon is only 1/6 as strong as gravitational force on the earth. What is the weight in newtons of a 10 kg object on the moon and on the earth?

Answer

Given; gravitational force on surface of the moon = 1/6 x gravitational force on surface of the Earth

Also,

Weight = Mass × Acceleration

Mass of the object = 10 kg

Acceleration due to gravity, g = 9.8 m/s2

Therefore, weight of  object on the Earth = 10 × 9.8 = 98 N

And, weight of the same object on the moon = 98 / 6 = 16.33 N

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