What do we call the unification of space and time into a single framework? , Gravitational field, Quantum field, Space-time continuum, Light cone, How many dimensions make up the space-time continuum?, Five, Four, Three, Two, Which scientist is most associated with the concept of space-time?, Isaac Newton, Niels Bohr, Galileo Galilei, Albert Einstein, According to the first postulate of special relativity, what remains the same in all inertial frames?, Position of objects, Speed of the train, Laws of physics, Energy of motion, Which of the following is an example of an inertial reference frame?, A car moving at constant speed on a straight road, An elevator accelerating upward, A rocket launching from Earth, A spinning merry-go-round, If a ball is dropped inside a train moving at constant velocity, how does the motion appear to a passenger?, It curves backward, It curves forward, It falls straight down, It floats in mid-air, How does the same ball’s motion appear to an observer standing outside the train?, Curved forward, Straight down, Curved backward, Stationary, What does the train-ball example demonstrate about motion?, Motion is random, Motion is absolute, Motion is fixed, Motion is relative, Why does the first postulate of relativity disprove absolute motion?, Because time is constant everywhere, Because objects cannot move, Because all motion is measured relative to something else, Because space is infinite, When reflecting on personal experiences in vehicles, what principle is illustrated?, Absolute rest exists, Physics laws vary, Motion is relative, Time never changes.

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