Here's the breakdown:
* Gravity: The force of attraction between any two objects with mass.
* Pull of Gravity: The force that Earth exerts on objects near its surface, pulling them downwards.
* Acceleration due to Gravity (g): The rate at which an object's velocity changes due to the force of gravity.
On Earth, the standard value of acceleration due to gravity is approximately 9.81 m/s². This means that every second, an object falling freely towards the Earth will increase its downward velocity by 9.81 meters per second.
Factors Affecting g:
* Latitude: g is slightly higher at the poles and lower at the equator due to Earth's shape.
* Altitude: g decreases with increasing altitude.
* Mass Distribution: Local variations in Earth's density can cause slight variations in g.
Units:
Acceleration due to gravity is typically measured in meters per second squared (m/s²). Other units include feet per second squared (ft/s²), centimeters per second squared (cm/s²), and galileo (Gal).
