Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11

Calculate the Force with Which You Attract the Earth. - Physics

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Short Note

Calculate the force with which you attract the earth.

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Consider that a man is standing on the surface of the Earth.
Force acting on the man =  mg 
Here, m = mass of the man and g = acceleration due to gravity on the surface of earth (=10 m/s2)

Assume that the mass of the man is equal to 65 kg.
Then F = W = mg = 65 × 10 = 650 N = force acting on the man
∴ By Newton's third law (action-reaction are always equal), the man is also attracting the earth with a force of 650 N in the opposite direction.

Concept: Work Done by a Constant Force and a Variable Force
  Is there an error in this question or solution?


HC Verma Class 11, Class 12 Concepts of Physics Vol. 1
Chapter 4 The Forces
Exercise | Q 2 | Page 63

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