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Important Facts That You Must Know First! Practice drawing a free body diagram to analyse the forces acting on a body or a system will help you to get better at this topic. Action – reaction forces are always acting on different bodies. Common misunderstanding is student takes that the weight of an object and … Read more
Important Facts That You Must Know First! Free fall is when an object experiences ONLY gravitational force and NO other forces. Object can moves with constant speed but changing velocity. An example of such scenario is when an object is moving in a circular motion. It is not always true that acceleration must be zero if … Read more