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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of work or energy in S.I. units is newton joule pascal watt newton joule pascal watt ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A number of forces acting at a point will be in equilibrium if All of them are inclined equally Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero Their total sum is zero All of them are inclined equally Two resolved parts in two directions at right angles are equal Sum of resolved parts in any two perpendicular directions are both zero Their total sum is zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in plane two points one point perpendicular planes plane two points one point perpendicular planes ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called coplanar when all of them acting on body lie in one point different planes one plane perpendicular planes one point different planes one plane perpendicular planes ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-l n-l 2n-3 n-2 2n-l n-l 2n-3 n-2 ANSWER DOWNLOAD EXAMIANS APP
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