Engineering Board Exam Reviewer · Physics · easy

The value of the universal gravitational constant G is approximately:

1. 6.674 × 10-11 N· m2/kg2
2. 9.81 N· m2/kg2
3. 8.99 × 109 N· m2/kg2
4. 6.626 × 10-34 N· m2/kg2

Answer

A. 6.674 × 10-11 N· m2/kg2

Solution

G was first measured by Henry Cavendish using a torsion balance.

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