*$_In the equation of virtual work, following force is neglected? – McqOptions

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1.	*$_In the equation of virtual work, following force is neglected?
A.	Reaction of any smooth surface with which the body is in contact
B.	Reaction of a rough surface of a body which rolls on it without slipping
C.	Reaction at a point or an axis, fixed in space, around which a body is constrained to turn
D.	All of the above
Answer» E.

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