Questions: How does the thought experiment involving the freely falling lift challenge traditional notions of "absolute" motion? t shows that the observer inside the lift experiences weightlessness, proving that gravity is not an absolute force. It demonstrates that all objects fall at the same rate, regardless of their mass, proving that the effects of gravity are relative. It shows that the effects of acceleration can be indistinguishable from the effects of gravity, suggesting that non-uniform motion is not absolute. It proves that the laws of physics are the same inside and outside the lift, validating the principle of relativity.

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The thought experiment involving a freely falling lift, often associated with Einstein's equivalence principle, explores the idea that the effects of gravity and acceleration can be indistinguishable. This is a key concept in general relativity.

When an observer is inside a freely falling lift, they experience weightlessness. This suggests that the effects of gravity can be locally "canceled out" by free fall, challenging the notion of gravity as an absolute force. Instead, it implies that gravity can be viewed as a result of spacetime curvature, rather than a traditional force.

The thought experiment shows that the effects of acceleration (such as being in a non-inertial frame) can be indistinguishable from the effects of gravity. This challenges the idea of absolute motion, as it suggests that what we perceive as gravitational force can be equivalent to acceleration in a different frame of reference.

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