The universal gravitational constant G was first measured
A)before Newton's time.
B)by Newton himself.
C)after Newton's time.

Name: The universal gravitational constant G was first measured A)before Newton's time. B)by Newton himself. C)after Newton's time.
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The universal gravitational constant G was first measured by Henry Cavendish in 1798, long after Newton's time. Newton had proposed the concept of gravity and had formulated the law of universal gravitation, but he did not determine the value of G.

The Universal Gravitational Constant G Was First Measured