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g-force - Wikipedia

Gravitation acting alone does not produce any g-force; g-force is only produced from mechanical pushes and pulls. For a free body (one that is free to move in ...

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I found an answer from physics.stackexchange.com

newtonian mechanics - What does the wind speed have to be to ...

The force of drag from the wind pushing on you. For the velocities involved (a high Reynolds number regime), the ... But, this is just enough to make your body move (compared to standing still on the ground). It would take at least a 70 mph wind to overcome the force of gravity, and ... show 5 more comments ...

For more information, see newtonian mechanics - What does the wind speed have to be to ...

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How much psi of compressed air would it take to lift 250 lbs ...

It depends on how big your device is. Pressure = force * area. So if you had a pressurized lifter that was 1 mile per side, it would take less than ...

For more information, see How much psi of compressed air would it take to lift 250 lbs ...

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forces - Exactly how much lift is needed to overcome the weight of ...

Yes, lift is nothing but the force in the upward direction. So to keep a 150 pound person aloft, you need a lift of 150 pounds (150 pound-force).

For more information, see forces - Exactly how much lift is needed to overcome the weight of ...

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I found an answer from science.howstuffworks.com

Yes, Wind Can Blow You Away If It's the Right Speed | HowStuffWorks

Mar 16, 2017 ... How hard does the wind have to blow to knock a person off his feet? ... In early March 2017, a 4-year-old Ohio girl named Madison Gardner had just ... "You'd also have to take into account the density of the air," Parker says. ... The wind would have had to blow much harder to lift her mom off her feet. "If you ...

For more information, see Yes, Wind Can Blow You Away If It's the Right Speed | HowStuffWorks

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I found an answer from worldbuilding.stackexchange.com

How big would a pair of wings need to be to allow an adult human to

Oct 20, 2014 ... You've said average at a gravity of .6g so we'll say use 38. ... Taking a big simplification we'll assume the bat has square wings. ... Clearly your average human would need to lose a lot of weight for this to be ... Area = (lift force)/(half velocity * velocity * air density * lift coefficient) ... Now, let's push the limits.

For more information, see How big would a pair of wings need to be to allow an adult human to

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I found an answer from www.quora.com

How do I calculate the electric power required to lift 100 kg of material?

At what rate do you want to lift these 100 kg? ... How much rpm dc moter is required for a air craft to lift 1 kg weight? ... Suppose we will lift it for 5 meters. ... be done and then you should select the motor with specific rating taking the requirement ...

For more information, see How do I calculate the electric power required to lift 100 kg of material?

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How much strength would you need to lift a human in the air? - Quora

Feb 27, 2017 ... The force to lift an average human who weighs 70kg is calculated (in Newtons) by the force ... How much strength is required to lift a 60kg person in to the air with only using one hand? ... You would need to be decently strong to lift any person up for a period of time ... Push/ Pull a little to rotate the human.

For more information, see How much strength would you need to lift a human in the air? - Quora

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I found an answer from www.scientificamerican.com

Jumping Heartbeat: Exercise Your Pulse - Scientific American

May 24, 2011 ... Meanwhile, your lungs are also taking in more air, hence the harder breathing. ... Of course, pushing exercise too hard can be dangerous and, if you feel faint, you should stop ... Count the number of heartbeats you feel for 30 seconds. ... How many breaths did you take in a minute after the jumping jacks?

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I found an answer from www.nasa.gov

Why Do We Really Need Pressure Suits? Grades 5-12

think, and these lessons and activities will show you why humans need protective .... without some kind of protection, where air pressure is much lower, we would have ..... when traveling in space, temperature can take on different meanings. ..... 5) Also have students push the plunger in as far as they can to create a ...

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I found an answer from www.nasa.gov

What Is Microgravity? | NASA

Dec 15, 2016 ... The ICYMI newsletter will take a break over the holidays and return January 6, 2017. ... built and the only launch vehicle capable of launching human explorers to Mars. ... Marshall is 'Science Central' for the International Space Station ... NASA Astronaut Scott Kelly Returns Safely to Earth After One-Year ...

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I found an answer from en.wikipedia.org

Space Launch System - Wikipedia

The Space Launch System (SLS) is an American Space Shuttle-derived super heavy-lift ... The proposed Block 2 will have lift capacity of 130 metric tons (140 short ... Space Shuttle external tank with the aft section adapted to accept the rocket's .... The Human Exploration Framework Team (HEFT) estimated unit costs for ...

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I found an answer from earthobservatory.nasa.gov

The Carbon Cycle

Jun 16, 2011 ... We need carbon, but that need is also entwined with one of the most serious ... million metric tons) of carbon move through the slow carbon cycle every year. ... For comparison, humans emit about 30 billion tons of carbon ..... There is a limit to how much carbon plants can take out of the ..... (2010, August 5).

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I found an answer from science.howstuffworks.com

How do you calculate G-forces? | HowStuffWorks

One G is the force of Earth's gravity -- it is this force that determines how ... For instance, during a 5-G turn, there are 60 to 70 pounds of force pulling his head to the side. Let's see how to calculate how many Gs a car pulls in a turn and how these ... 2.84 Gs (or 2.84 times the weight of the car) push down on the car during the ...