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Resolving forces in depth video: https://youtu.be/GqyI3zl9P_o
Archimedes Principle in depth video: https://youtu.be/mDavwJOiYJY
Chapters:
00:00 F=ma, The net force
02:18 The Newton
02:40 Free Body Diagrams, Types of Forces
08:05 Net Force Example Question
11:48 Drag
16:06 Experiment: Motion of a ball through a viscous liquid
18:32 Resolving Forces on a slope
21:42 Centre of gravity, experiment
23:48 Moments
26:20 Non perpendicular Moments
29:05 The Principle of Moments
30:44 Force Couples and Torque
32:00 Triangle of forces
34:19 Density and Pressure
35:00 Pressure at a height, h.
37:00 Archimedes Principle
This video is useful for all examboards including OCR A Level Physics, AQA A level Physics, Edexcel A Level Physics, CIE Cambridge International A Level Physics 9702 syllabus, Eduqas etc.