Work & Energy Quizzes: O level physics Quiz 37 Questions and Answers - Practice physics quizzes based questions and answers to study work & energy quiz with answers. Practice MCQs to test learning on work and energy, heat capacity: physics, centre of gravity and stability, latent heat quizzes. Online work & energy worksheets has study guide as formula for gravitational potential energy is, answer key with answers as ep = mg/h, where m is mass, g is gravitational pull and is height, ep..
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