A10

ENGR 8
Part I. Drills -- 1 point each
Assignment 10 Revised Chapter 6.6
Due: next wed
Part II. Assisted Problem Solving -- 2 points each
Plan:
1)
2)
3)
4)
5)
6)
Draw the FBD of ECD
Label Fc (1 unknown) and Dx,Dy
Use Sum Md to solve for Fc
Then express Fc as Cx, Cy
Use Sum Fx to solve for Dx
Use Sum Fy to solve for Dy
PLAN:
1) Draw the FBD of only one half of the pliers
(say the part with ‘10 in’ that goes to lower jaw)
2) Use Sum Ma = 0 to solve for the Nb force
Part III. Unassisted Problem Solving -- 3 points each