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✔️ What is mechanical energy? ✔️ Mechanical energy theorem. ✔️ What is the conservation of mechanical energy? ✔️ How to use the conservation of mechanical energy to calculate the speed of fall of an object? The answers to these questions are in this video. We take a very simple example to explain to you what can be calculated with the conservation of mechanical energy 00:00 Mechanical energy 00:51 Conservation of mechanical energy 02:21 Calculate a falling speed ⏯️ Methodology video: Formula manipulation (level 2): • Literal formula manipulation - n... ⏯️ Course video on kinetic energy: • KINETIC energy - Course and example ... ⏯️ Course video on gravitational potential energy: • POTENTIAL gravitational energy - En... Find other videos and methodological sheets to download for free: https://eprofs.fr Twitter: / e_profs Instagram: / e_profs_physique_chimie Facebook: / e-profs-467482426