Strength of Materials
According to principle of moments

the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point
positive and negative couples can be balanced
if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero
if a system of coplanar forces is in equilibrium, then their algebraic sum is zero

ANSWER DOWNLOAD EXAMIANS APP

Strength of Materials
According to principle of transmissibility of forces, the effect of a force upon a body is

The same at every point in its line of action
Maximum when it acts at the center of gravity of a body
Minimum when it acts at the C.G. of the body
Different at different points in its line of action

ANSWER DOWNLOAD EXAMIANS APP

Strength of Materials
According to Lami's theorem

If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two
Three forces acting at a point will be in equilibrium
Three forces acting at a point can be represented by a triangle, each side being proportional to force
If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Strength of Materials