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Guide and Tips-O Levels

Hi! Can u please help me with this physics question from the chapter moments... A plank of mass 5 kg and length 3 m is resting horizontally on two trestles,P and Q which are a distance of 2.50 m apart. When a student of mass 60 kg walks along the plank from one treat to another, the plank sags...
- Fatima962
- Post #295
- Nov 19, 2016
- Forum: O-Levels / GCSEs / IGCSE

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