Physics, particularly forces and motion, can be challenging. By observing everyday motion, conducting simple experiments, and understanding Newton's laws in plain language, the concepts become more ...

Perpetual motion—it's fun to say that. For some people, perpetual motion machines hold the secret to everlasting free energy that will save the world. To them, it's a machine that is just beyond our ...

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The questions given in NCERT textbooks at the end of each chapter are not only important for examinations but also to get a clear understanding of the concepts in a better way. That is why students ...

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If light travels 1 km through air, how much of it is lost to friction? originally appeared on Quora: the knowledge sharing network where compelling questions are answered by people with unique ...