Strength of Materials According to principle of moments if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero positive and negative couples can be balanced if a system of coplanar forces is in equilibrium, then their algebraic sum is zero the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero positive and negative couples can be balanced if a system of coplanar forces is in equilibrium, then their algebraic sum is zero the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the mid point of its axis the center of heavy portion the bottom surface All of these the mid point of its axis the center of heavy portion the bottom surface All of these ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called limiting friction dynamic friction frictional resistance post friction limiting friction dynamic friction frictional resistance post friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A cable with a uniformly distributed load per horizontal metre run will take the following shape Elliptical Parabola Hyperbola Straight line Elliptical Parabola Hyperbola Straight line ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one circle parabola hyperbola ellipse circle parabola hyperbola ellipse ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is independent of the area of contact surfaces proportional to velocity of sliding dependent on the materials of contact surface proportional to normal load between the surfaces independent of the area of contact surfaces proportional to velocity of sliding dependent on the materials of contact surface proportional to normal load between the surfaces ANSWER DOWNLOAD EXAMIANS APP
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