For a question there's a 5m plank overhanging a flat roof by 2m, and the reaction force is 2m from the end overhanging. Why is that? The weight still acts at the centre of the plank.
Why is the reaction force there? Watch
- Thread Starter
- 10-04-2016 22:59
- 10-04-2016 23:03
Could you provide a full image of the question?