engineering recuitment Gujarat Metro JE Mock Test 2023 Engineering Mechanics Equilibrium and Friction Equilibrium
Which of the following statement is correct ?
1
the algebraic sum of the forces, constituting the couple is zero
2
the algebraic sum of the moments of the forces, constituting the couple, about any point is same
3
A couple cannot be balanced by a single force but can be balanced only by a couple of opposite sense
4
all statements