How come in free fall you feel weightless even though gravity is pulling down on you?
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Gravity is pulling equally on all the particles in your body. This creates a sensation where no forces are acting on you and hence you feel weightless.
On free fall ,their is no contact force (reaction force) acting on a body that’s why one feel weightless…
On a free fall a body is attracted towards ground by gravity, the body is accelerating.
A freely falling body accelerates, so the resultant force is in a downward direction, thereby feeling weightless.
because during the fall there body doesn’t experience a reaction force since air resistance is negligible
When in free fall, the only force acting upon your body is the force of gravity – a non-contact force. Since the force of gravity cannot be felt without any other opposing forces, you would have no sensation of it. You would feel weightless when in a state of free fall.
Due to the rotation of the earth on its axis, we happen to be moving in a circle. Consequently part of the gravitational force of attraction has to provide centripetal force required to keep us moving in that circle and the remaining part of the gravitational force pulls us down to the earth’s surface. When the speed of the earth’s rotation is increased more of the earth’s gravitational force would be used in providing the extra centripetal force. Our weight which is equal to the difference between the total gravitational force and the centripetal force would be less. If the earth’s rotation is continued to increase, then at a certain critical speed the total earth’s gravitational force would be equal to the centripetal force thus no resultant force to provide weight and therefore we become weightless.