[2015] Statics 20: Two-Force and Three-Force Members [with closed caption]

Answers to selected questions (click "SHOW MORE"): 1a 2 F_A=F_B=7.07 lb, F_C=((-7.07)^2+12.93^2)^.5=14.7 lb Contact info: [email protected] What's new in 2015? 1. Closed-caption made by myself! -- not the automatic subtitle anymore. 2. Learning objectives added for each video. 3. Quiz questions added -- including end-of assessment questions and preparatory, exploratory questions. 4. Mistakes fixed and cleaned up. 5. New examples/contents for selective videos. My old videos and playlists will st

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• #statics
• #engineering_mechanics