MediumMath and Logic
How can the Earth's mass be measured?
Riddle
How can the Earth's mass be measured?
Choose an answer
A.By using a giant scale
B.By measuring shadows
C.By counting atoms
D.Gravitation law
Hint: It's a 2-word phrase with 14 letters, starting with "G".
Answer
Gravitation law
Why this is the answer
By observing the gravitational pull (g) on the surface and knowing the Earth's radius, we can solve for M in the formula g = G * M / r^2.
This riddle is filed under Math Riddles and rated Medium.