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can a weightless body have inertia?
Yes, a weightless body can still have inertia. Inertia is the resistance of an object to changes in its motion, and it is determined by the mass of an object rather than its weight. Even if a body has no weight due to being weightless in space, it will still have inertia based on its mass.
Are objects in freefall weightless?
Objects in freefall are not weightless; they still have mass and therefore experience the force of gravity. However, in freefall, they are accelerating towards the Earth due to gravity, which gives the sensation of weightlessness as the force of gravity is canceled out by the acceleration.
Why is an object considered weightless when there is no normal force or when an object is in freefall?
An object is considered weightless when there is no normal force acting on it because weight is the force exerted by gravity on an object's mass. In freefall, the object is only subject to the force of gravity, which causes it to accelerate with the same acceleration as the object itself, resulting in a sensation of weightlessness.
What is the difference between weightless and mass less?
weightless means mass without acceleration of gravity massless means no mass and hence no weight even with gravity acceleration WEIGHT = MASS x ACCELERATION In orbit around earth where apparent zero-gravity exists you are weightless, but still have mass
Why does an austronaut ina satellite have no weight?
Weight is mass time gravity. If there is no gravity effect on someone in space, they are considered "weightless". They continue to have the same amount of mass whether they are in space or on Earth.
How come an object can never be weightless?
gravity and mass...
Does an astronaut have mass on the space shuttle if its weightless?
yes
Why are gases weightless?
they are not. if anything has mass, it has weight (unless in free fall).
Does mass or weight stay the same when gravitational force changes?
Mass stays the same but weight does not. Mass is a measurement of how MUCH of an object there is, so a 5 Kilogram weight is still 5 Kilograms in space, even thought it would be weightless.
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.
Are people weightless in the air?
No. Things are only weightless in the absence of a gravitational field or in constant acceleration (Inertial weight or mass) (Ask any skydiver.)
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.
