Assignment No.2_Non Coplanar Force System_Questions and Answers_2023-24
(Q.1) A force 5 kN is acting along AB where A (0, 0, -1) m and B (5, -2, -4) m. Another force 8 kN is acting along BC where C (3, 3, 4) m. Find resultant of two forces and find moment of resultant force about a point D (0, 3, -2).
(Q.2) A force acts at the origin in a direction defined by the
angles θv = 65o and θz = 40o
Knowing that the x - component of the force is
750N, determine (i) the other components (ii) magnitude
of the force (iii) the value of θx.
Solution:
(Q.3) Find the resultant of the spatial
concurrent force system concurrent at A(1,0,0) and passing through
points B (-1,3,5), C (3,5,7),
D (0,4,0). Magnitudes of forces are, FAB = 100 N, FAC = 150 N, FAD
= 200 N.
(Q.4) Force 5 KN is acting along AB where A(0, 0, -1) m & B(5, -2, -4) m. Another force 8 KN is acting along BC where C(3, 3, 4) m. Find resultant of two forces & find moment of resultant force about a point D(0, 3, -2) m.
(Q.5) The A
rectangular parallelepiped carries four forces as shown in the figure. Reduce
the force system to a resultant
force applied at the origin
and moment around
the origin. OA= 5 m, OB =
2 m, OC = 4 m.
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