Question: 1. What value of force P is required at C in Figure P7.19 if the vertical deflection at C is to be zero?
![1516_7.19.png](https://secure.tutorsglobe.com/CMSImages/1516_7.19.png)
2. If the vertical deflection of the beam at midspan (i.e., point C) is to be zero, determine the magnitude of force F. EI is constant. Express F in terms of P and EI.
![1771_7.20.png](https://secure.tutorsglobe.com/CMSImages/1771_7.20.png)