Terminal Velocity and Air Resistance

Next Generation Science · ⏱ 2:29 · 201.5K مشاهدة · 3 years ago

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foreign object or person falls from great height they are pulled towards the surface of the Earth by the force of gravity as the object or person falls they accelerate meaning they move faster and faster towards the ground however the air resistance or drag Force pushes against them slowing them down at some point the drag Force becomes equal to the force of gravity and the object or person stops accelerating this is called terminal velocity which can be different for different objects depending on their shape size and Mass terminal velocity for human falling through the air is around 120 miles per hour or about 193 kilometers per hour Which is far too fast to safely reach the ground this is where parachute comes in parachute increases air resistance due to its shape and size creating larger surface area for the air to push against this slows down the person or object's descent allowing them to land safely on the ground foreign let's go through it one more time when skydiver leaps from plane they initially accelerate due to the force of gravity as they fall air resistance gradually increases until it balances with the force of gravity and the skydiver reaches terminal velocity at this point the skydiver deploys their parachute which increases air resistance and slows their descent allowing them to land safely on the ground try designing and making your own parachute to slow the fall of small objects use stopwatch to time the object's fall thanks for watching worksheets relating to this short video can be downloaded by creating free account at ngscience.com don't forget to subscribe to the NG science YouTube channel to never miss video