What is small g and capital G in physics?
Understand the Problem
The question is asking about the terms 'small g' and 'capital G' in the context of physics and their respective meanings, particularly in relation to gravity.
Answer
Small 'g' is Earth's gravitational acceleration (~9.81 m/s²); Capital 'G' is the universal gravitational constant (6.67 × 10⁻¹¹ Nm²/kg²).
(1) Small 'g' represents the acceleration due to Earth's gravity, with an approximate value of 9.81 m/s² on the surface. (2) Capital 'G', the universal gravitational constant, is approximately 6.67 × 10⁻¹¹ Nm²/kg², used in Newton's law of universal gravitation.
Answer for screen readers
(1) Small 'g' represents the acceleration due to Earth's gravity, with an approximate value of 9.81 m/s² on the surface. (2) Capital 'G', the universal gravitational constant, is approximately 6.67 × 10⁻¹¹ Nm²/kg², used in Newton's law of universal gravitation.
More Information
Small 'g' varies slightly depending on geographical location due to factors like altitude and Earth's rotation. It's essential in calculating gravitational force on objects near Earth's surface. Capital 'G' is a fundamental constant in physics, instrumental in calculations involving gravitational attraction between two masses.
Tips
It's a common mistake to confuse small 'g' with capital 'G'. Remember that 'g' is acceleration due to gravity and 'G' is the universal gravitational constant, crucial for understanding gravitational forces.
Sources
- Gravitational constant - Wikipedia - en.wikipedia.org
- Relation between G and g? - Byju's - byjus.com
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