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There are many:

  • The freefall body position of the skydiver. If they are belly to earth, they will fall at 120mph. If in a headdown body position, its around 160mph.
  • The type of jumpsuit a skydiver wears. Some are baggier and therefore have more drag which slows them down slightly. Some wear tight slick materials which speed them up. Further still, some wear wingsuits which deflect the air allowing them to move forward at great speeds and drop their downward speeds to around 40mph.
  • Gravity is the main force acting on a skydiver. It is a constant. When a skydiver jumps, they rapidly accelerate over 10 seconds to their terminal velocity (120mph). This is where their mass matches the resistence of the air around them.
  • Sometimes this can vary very slightly depending on exit altitude, humidity and air pressure.
  • When the skydiver opens their parachute, they typically experience a slow down to around 20mph over 3 or 4 seconds, which exerts a g-force of around 2. Some parachutes are designed to open faster and slower than this.
  • Lastly, when the skydiver comes in to land, they execute a flare which pulls the back of their parachute wing downwards. The causes forward and downward speed to decrease and allows for a gently touch down on the dropzone. With no more weight on the suspension lines, the wing collapses next to the skydiver.
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โˆ™ 2011-08-26 09:41:13
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Q: What forces act on a skydiver as they are diving?
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What kind of forces work on a skydiver?

Gravity pulling the skydiver to the ground as well as wind resistance pushing up on the skydiver.

How does forces affect the sport of sky diving?

Gravity pulls the skydiver towards the centre of the earth (downwards force). The air causes wind resistance, slowing the sky diver down (upwards force). The wind can also cause a slight sideways force upon the skydiver.

Is a skydiver accelerating downward balanced?

If you mean "balanced forces", no: if forces are balanced, there is no acceleration.

What are the forces acting on a skydiver?

Drag, I think? drag is good

What forces stay the same when a skydiver opens the parachute?


What forces occur on a skydiver?

net force and gravity and possibly a parachute

What forces act on a skydiver when then jump out of a plane?

when a skydiver jumps out of a plane, the dominant force is gravity, pulling him/her towards the ground, although some air resistance is also acting on him/her, allowing him/her to fall at a steady speed (not dropping like a stone), so the forces acting on the skydiver are almost balanced. of course, all that changes when the parachute opens. then the air resistance greatly increases, drastically slowing the descent down to earth.

Are the forces balanced or unbalanced when a skydiver is accelerating downward?

An acceleration requires an unbalanced force.

Could you give an example of something moving when net force of zero acts on it?

Certainly. Say you have an object that has been falling through the air for a long time, say a skydiver. After falling for a long time, the skydiver will fall at a constant velocity. This is called terminal velocity, and this is when the air resistance pushing up around the skydiver is equal to the force of gravity pulling the skydiver down. The skydiver is not accelerating. By using F= ma, with zero acceleration, there is zero net force. The skydiver is moving as if there are no forces acting on the skydiver.

What forces are acting on a skydiver?

Gravity pulling the skydiver down towards the earth. And friction (air resistance) acting in the opposite direction. The force of friction increases as the the skydiver falls faster until it is equal but opposite to the force of gravity. When this happens the Skydiver has reached terminal velocity.

What is the act of diving with cards?


What type of friction causes a sky diver's acceleration to change as he fall?

The friction is the wind resistance the skydiver experiences during the free fall. If the body is held horizontal to the ground, arms and legs held out like a cross, the wind resistance increases and the body is slightly slower than if the skydiver turns vertical to the earth, as though diving off a diving board into a swimming pool. There is a terminal velocity of approximately 60 m/s for a typical skydiver in free fall.

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