PreparED Study Materials
Videos
Calculating Work from Speed Change: Water-Skiing Physics Explained!
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Explore the physics behind a water-skier accelerating from an initial speed to a faster one. Learn how to calculate the work done using the change in kinetic energy. Understand the principle of energy conservation through real-world examples.
How is work related to energy?
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Explore the profound link between these two fundamental concepts in physics, and understand how they relate through the Work-Energy Theorem.
Models in Relativity and Quantum Mechanics: An Explanation
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Discover the significance of models in the fascinating realms of relativity and quantum mechanics, where conditions defy our everyday experience. Explore the concept of a model and its role in understanding these complex theories.
Calculating Forces & Work for 330-kg Piano on 28° Incline
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In this video we break down a complex physics problem about a 330-kg piano sliding down a 28° incline while a man resists its motion. We meticulously calculate the force exerted by the man work done by various forces including friction and gravity and the net work done on the piano.
Newton's Third Law and Force Pairs: System of Interest Impact
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Delve into Newton's third law of motion and explore how the choice of the 'system of interest' influences whether force pairs cancel each other out.
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