Question: 1. For the parabolic arch in Figure P6.17, plot the variation of the thrust T at support A for values of h = 12, 24, 36, 48, and 60 ft.
![271_6.17.png](https://secure.tutorsglobe.com/CMSImages/271_6.17.png)
2. For the arch and loading in Figure P6.18, compute the reactions and determine the height of each point. The maximum height permitted at any point along the arch, , is 20 m.
![281_6.18.png](https://secure.tutorsglobe.com/CMSImages/281_6.18.png)