Aflorida professional engineer, who is an independent consultant, prepares the design and drawings for prefabricated wood trusses for the roof of a structure pursuant to the engineering requirements prescribe by the engineer of record. the p. e. for the roof trusses is known as:

Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.