Explain free fall in brief.
Answers
Explanation:
Explanation:In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it.
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Answer:
Explain free fall in brief.
To start, we're going to look at Newtonian physics. This is an area of study on the relationship between force and momentum that is almost completely based on the work of Sir Issac Newton, the apple loving physicist and mathematician.
In Newtonian physics, free fall is defined as the motion of an object where gravity is the only force acting upon it. By this definition then, a skydiver is never in true free fall, even before they deploy their parachute. A skydiver may be pulled towards earth by gravity, but they are also affected by air resistance, a force opposing their downward movement. For this reason it doesn't match the strict definition of a free fall.
Well, what is free falling, you ask? By the Newtonian definition, the moon itself is in free fall! Because the gravity of earth is the only force acting upon the moon. Though not true free fall devices by this strict definition, we thought it would be impracticable to mount our devices in space or build giant vacuums for each installation. Head Rush's devices are the most authentic free fall you'll find in an adventure park on the planet Earth.
For those of you so inclined, feel free to dig further into the details of free fall physics and mathematics.
To start, we're going to look at Newtonian physics. This is an area of study on the relationship between force and momentum that is almost completely based on the work of Sir Issac Newton, the apple loving physicist and mathematician.
In Newtonian physics, free fall is defined as the motion of an object where gravity is the only force acting upon it. By this definition then, a skydiver is never in true free fall, even before they deploy their parachute. A skydiver may be pulled towards earth by gravity, but they are also affected by air resistance, a force opposing their downward movement. For this reason it doesn't match the strict definition of a free fall.
Well, what is free falling, you ask? By the Newtonian definition, the moon itself is in free fall! Because the gravity of earth is the only force acting upon the moon. Though not true free fall devices by this strict definition, we thought it would be impracticable to mount our devices in space or build giant vacuums for each installation. Head Rush's devices are the most authentic free fall you'll find in an adventure park on the planet Earth.
For those of you so inclined, feel free to dig further into the details of free fall physics and mathematics.