You are commenting using your WordPress. You are commenting using your Google account. You are commenting using your Twitter account. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Email Address:. Create a free website or blog at WordPress. Home About the blogs. The Physics of Skydiving July 17, By Paige Brown, Museum Blogger-in-Residence For those of us brave enough to skydive, we might want to know at what point during the dive we are going to be accelerating the most.
Watch this video and find out! I'm not exactly sure I'm being told by the manufacturer of my pacemaker that their concern with skydiving is that the g-forces could move the device.
On my tandem I didn't feel any kind of pulling like on an amusement park ride. Just wondering I guess - I have a feeling I'll be getting horribly bad news in the next few days. Jennifer who feels like she's going to start crying now Arianna Frances.
Beyond that, they're negligble. Roller coasters drop you, and while still accelerating pull up suddenly, and then while going up, will crest hills and go down again give you negative g's and make high speed tight turns. The place to worry is during opening. A normal opening is 1. A hard opening can hit 10 G's. Unfortunately, there's no way to guarantee you won't experience a hard opening; even the softest opening canopies have "rouge" openings sometimes that can really slam you.
I'll be presenting information to my doctor when I return from vacation next week. I want him to be very informed and not make a decision based on bias - which is a normal thing for anyone, not just doctors. The two things he'll be worried about are device, lead dislogment and pressure on the device from straps.
Where can I find information that would explain how skydiving would affect these things - I'll search far and wide for the information. I don't want anything to keep me from this - let alone something I didn't ask for in the first place Jennifer Arianna Frances. Fast 0. Just a thought, but you may want to ask one of the container manufacturers if they have any data on this. They are the ones that have to build the harnesses to take the stresses involved in deployment and turns, etc.
They might give you somewhat better of an idea of the forces expected durring a skydive. Swooping is taking one last poke at the bear before escaping it's cave - davelepka. Great idea - thank you. In New Jersey, roller coasters are limited to 5. Fighter pilots can endure 8 G's for a short time while staying conscious. G-forces alone are a poor indicator of stress, though. You can generate almost 10 G's for a very short time by plopping down on a wooden bench.
A true 10G opening in freefall lasts a little less than a second, so it's worse than the bench-sitting event but not as bad as a pilot pulling 8 G's for ten seconds. We perceive hard openings as sort of an impact, as if you'd jumped off an 8 foot ledge. But typical values range from 0. So if a skydiver wants to catch up to his fellow skydiver, he can do that by decreasing his A value. One way to do that is to re-orient your body so that your head is facing down. The mass of the object is also an important factor.
A feather will fall much more slowly than a solid object such as a rock, because the drag force relative to body weight mg is much higher for a feather.
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