Frequently Asked Questions
How does distance affect gravitational force?
Gravity follows an inverse-square law, so doubling the separation cuts the force to one quarter and halving it multiplies the force by four. Distance is measured center to center between the two masses.
Why is gravity called a weak force?
The gravitational constant is extremely small, so gravity only becomes significant for very large masses such as planets and stars. Between everyday objects the attraction is far too tiny to feel.
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