Question

14. Universal gravitational constant is measured in
(1) N kg/m2
(2) (Nm)2/kg?
Nm2
(N kg)?
(3)
(4)
kg
m?

Answer 1

Answer:

The measured value of the constant is known with some certainty to four significant digits. In SI units, its value is approximately 6.674×10−11 m3⋅kg−1⋅s−2. The modern notation of Newton's law involving G was introduced in the 1890s by C. V. Boys.