Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Balance each other Produce a moment of couple Produce a couple and an unbalanced force Are equivalent Balance each other Produce a moment of couple Produce a couple and an unbalanced force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A number of forces acting at a point will be in equilibrium if Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Their total sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a right circular solid cone of height h lies at the following distance from the base J/3 h/6 h/4 h/2 J/3 h/6 h/4 h/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 20 kg, – ve sense 10 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body are equivalent produce moment of a couple cannot balance each other balance each other are equivalent produce moment of a couple cannot balance each other balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called frictional resistance post friction limiting friction dynamic friction frictional resistance post friction limiting friction dynamic friction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS