Problem $3$: Given the truss below.

Required:

a$)$ Solve for Members $AB$ and $AD$ using the Method of Joints at Joint A$.(2$ points$)$

b$)$ Specify if each member is in Tension or Compression. $(2$pt$)$

Problem $4$: For the given frame.

Required: Find the pin reactions at $A,B,$ and $D(4$ pts$)$

$2$ of $2$