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The force of gravity on the object does in fact stay almost constant, although there is a negligible increase with growing proximity to the earth. An object that is in freefall seemsto be weigh less - in fact nothing - because there is no opposition to gravity. A force is a push or a pull, but we feel forces only when two or more forces push and squash us, or pull us apart. You wouldn't mind an elephant sitting on your head provided their was no ground to be crushed against - likewise with the weighing scale in free fall. There is no ground to push back against it and compress its springs; there is no reaction force, which is what the scale really measures.
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∙ 16y ago
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When object in elevator and elevator is falling downward then gravity is acting on it but why it is said that in this condition object is weightless?
Because when in the falling elevator, if you tried to weigh and object, it would not weigh anything.
Why do you weigh different on objects in space?
Is your question "what do you weigh different objects on in space...", or "why would you attempt to weigh an object in space"...?
How is gravity different for objects that freely fall down and those thrown upwards?
The gravity acting on a rising object and that on a falling object are the same when these objects are at the same height. What is different is that a rising object is decelerating by the force of gravity and the falling object is accelerating.
In what way is the motion of a freely falling object different from the motion of the cart?
motion of free falling object does not have friction, while motion of the cart has force of friction
What is an example of potential energy into kentic energy?
A falling object.A falling object.A falling object.A falling object.
Two different masses are they falling at the same speed?
they arent falling at the same speed because gravity is stronger with a heavier object
How does air resistance affect the acceleration of a falling object-How does air resistance affect the acceleration of a falling object?
It reduces the acceleration of the falling object due to friction.
What is the acceleration of a falling object?
The acceleration of a falling object is called gravity. A free-falling object has an acceleration of 9.8 m/s/s when going downward on Earth.
When is an object to in free fall?
A falling object.
How does gravity effect the velocityof a falling object?
In response to the force of gravity, the downward speed of a falling object would increase smoothly, constantly, and continuously, at the rate of 9.8 meters per second faster every second, if it were not for the resistance of the air that a falling object must plow through. This number is called the "acceleration of gravity" on Earth ... it's a different number on the moon and on every different planet.
What is The greatest velocity a falling object?
the greatest velocity a falling object reaches is terminal velocity
What happens the the kinetic energy of a falling object?
If the object's falling energy increases (this would happen if the object is already falling downward, and air resistance is small), then the kinetic energy will increase.
