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Can you be weightless underwater?

Can you be weightless underwater?

So, yes, an underwater structure can support more mass. On the other hand, being underwater is a poor simulation of weightlessness, because the upward force only acts on the outside, not on all the individual particles that the object consists of.

How do you simulate weightlessness?

You can simulate microgravity on Earth, using a special plane and flight path. The pilot flies the plane in a ballistic trajectory: the path and speed it would take as if it were fired from a cannon. Inside, passengers “fall” through the flight path just as the plane does.

Why we are feeling weightless when we are in water?

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As we swim, we feel lighter or little weightless. This is because our body is immersed in water whether fully or partially. As per Archimedes principle, the water exerts an upward force or buoyant force on our body. Thus we feel lighter when we are in a swimming pool due to the buoyant force.

What causes weightlessness or the feeling of being weightless?

The sensation of weightlessness, or zero gravity, happens when the effects of gravity are not felt. Technically speaking, gravity does exist everywhere in the universe because it is defined as the force that attracts two bodies to each other. But astronauts in space usually do not feel its effects.

Does zero gravity feel like being underwater?

“In weightlessness, you are effortlessly floating, because all of the acceleration forces on you add to zero. The most comparable feeling is floating in water without the sensation of water on your skin.

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How do you explain weightlessness in an artificial satellite?

Earth-orbiting astronauts are weightless for the same reasons that riders of a free-falling amusement park ride or a free-falling elevator are weightless. They are weightless because there is no external contact force pushing or pulling upon their body. In each case, gravity is the only force acting upon their body.

Why does an object weigh less when it is underwater?

When an object is held still under water it appears to weigh less than it does in air because the buoyant force is helping to hold it up (balance its weight). For this reason, the reduced force you need to apply to hold the object is known as the apparent weight .

How do submarines control how much water they displace?

Submarines control how much water they displace by pumping water in and out of tanks within the submarine. When water is pumped inside, then that water is not displaced by the sub and it doesn’t count toward increasing the buoyant force.

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What force balances the weight of an object under water?

For the case of under water weighing, the buoyant force plus the force provided by the scale must perfectly balance the weight of the object, as long as the object is holding still. We can use arrows to represent the forces on an object and visualize how they are balanced or unbalanced.

When is a scale used to weigh an object in water?

When a scale is used to weigh an object submerged in water the scale will read the apparent weight. When performing ( ). . For an object to be in static equilibrium, all of the forces on it must be balanced so that there is no .