gravitational constant
Pronunciation
Noun
B1 Intermediate
Quick answer
A fixed number used in physics to calculate the strength of the gravitational force between two objects.
Test yourself
Which word fits the gap? "Newton's equation relies on the _____ to predict how strongly two masses attract each other."
Answer: gravitational constant
In your own words, what does "gravitational constant" mean?
A fixed number used in physics to calculate the strength of the gravitational force between two objects.
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