Q$1)$ For the assembly shown, determine the average shear stress in the pin at$$B$.$

Each of the four vertical links has an $8$ x $36$ mm uniform rectangular cross section.$$

Each of the four pins has a $16$ mm diameter.

Member$$ABC$$has a $10$ x $50$ mm uniform rectangular cross section.

Give your answer in MPa.

Q$2)$ In the previous question, determine the average bearing stress at B in member BD$.$ Give your answer in MPa.

Q$3)$ In the previous question, determine the average bearing stress at$$B$$in member$$ABC$.$ Give your answer in MPa.