Q

Which statements are incorrect? A. G has the same value on the Moon and Earth. B. Two 2 kg masses separated by 1 m attract with a force of 26.68 × 10⁻¹¹ N. C. Newton's law of gravitation is valid only in the laboratory. D. Force is inversely proportional to the square of separation.

RRB ALP & Technician 31/08/2018 / Shift III 2018
✓ Answer: C Only C
Newton's law is not restricted to laboratories. A, B and D agree with F = Gm₁m₂/r².
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