The force in CD of the truss shown in given figure, is________________?
B. 3t tension
C. Zero(Correct)
D. 1.5t compression
		A. 1/7
B. 2/7
C. 3/7
D. 2/5
		A. 2 mm
B. 3 mm
C. 4 mm
D. 5 mm
		A. Force per unit length
B. Force per unit volume
C. Force per unit area
D. None of these 
		A. A uniformly distributed load w/unit length
B. A load varying linearly from zero at one end to w at the other end
C. An isolated load at mid span
D. None of these
		A. Modulus of Rigidity
B. Shear Modulus
C. Modulus of Elasticity
D. Both A. and B