Q
In the equation of virtual work, following force is neglected_______________?
-
A
A. Reaction of any smooth surface with which the body is in contact
-
B
B. Reaction of a rough surface of a body which rolls on it without slipping
-
C
C. Reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
-
D
D. All of the above
Correct Answer:
D. D. All of the above
