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What is the difference between a truly weightless object and a obect that is weightless because it is free fall?
A truly weightless object experiences no gravitational force, such as an object in deep space far from any massive body. An object that is weightless due to free fall is still under the influence of gravity but is in a state of free fall where the force of gravity and the acceleration of the object cancel out, making it feel weightless.
An object in free fall seems to be?
An object in free fall appears weightless because it is falling under the influence of gravity alone, with no other forces acting on it. This gives the illusion that the object is floating or moving effortlessly through the air.
An object that is in free fall seems?
An object in free fall appears to have constant acceleration due to gravity, which means that its velocity increases as it falls. It appears weightless during free fall because the only force acting on it is gravity.
When does weightless occur?
During free fall.
When an object is in free fall is it weightless?
Because the object's inertial motion is equal to the gravitational acceleration. Weight equals mass times gravitational acceleration (W=mg), so you would feel weightless, but your mass stays the same.
Are astronauts really weightless while in orbit?
In orbit, astronauts experience a sensation of weightlessness due to the continuous free fall towards the Earth. They are not truly weightless, as gravity is still acting on them, but they are in a state of constant free fall that creates the sensation of weightlessness.
Are objects in a free-fall completely weightless?
Only from the object's frame of reference because the object's inertial motion is equal to the gravitational acceleration. Weight equals mass times gravitational acceleration (W=mg), so you would feel weightless, but your mass stays the same.
Where does an astronaut start to feel weightless?
when the rockets stop firing, astronauts begin free fall (weightless).
What is a situation in which an object is weightless?
An object is weightless when it is in free fall, such as when an astronaut is orbiting the Earth in the International Space Station. In this situation, the object is technically still affected by gravity but experiences a sensation of weightlessness because it is falling at the same rate as its surroundings.
Why are astronauts floating above the Earth in a Space Shuttle really no weightless?
Weight is an expression of the gravitational force acting on an object. When the space shuttle is in orbit around the Earth, it is held there by the Earth's gravity. Since gravity is still acting on the shuttle and the astronauts inside, they still have weight. They are described as "weightless" because an object in orbit is in a constant state of free fall.
Does gravity mean something can be weightless?
Something can only be weightless in zero gravity.
Why do astronauts appear to be weightless in a spacecraft orbiting earth?
Free fall
