P$\mathrm{.}7\mathrm{.}2-$ Determine the forces within each member of the truss below using the method of joints. Remember that when using the method of joints, tension is negative, and compression is positive.

Figure $2-$Problem $7\mathrm{.}3$

$7\mathrm{.}2$a$)$

Given the information in the figure above, determine the force within member AB$.$ Report your answer in units of $[$N$].$ Do not report units with your answer. The use of significant figures is not required. Please round your answer to the tenths place.

Type your numeric answer and submit