Mining Engineering > GATE 2019 > Statics
The vector sum of all the external forces acting on a rigid body is expressed as ∑F and the vector sum of moments of the external forces about a point is given as ∑M. The rigid body is in equilibrium if
A
∑F-∑M=0
B
∑F+∑M=0
C
∑F=0 and ∑M=0
D
∑F≠0 and ∑M≠0

Correct : c

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