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 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 20 kg, - ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of resolution of forces. independence of forces balance of force forces resolution of forces. independence of forces balance of force forces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and V6 V5 and V5 3 and 1 kg 2 and 5 2 and V6 V5 and V5 3 and 1 kg 2 and 5 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of force in S.I. units is watt kilogram dyne newton watt kilogram dyne newton ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve parabola elliptical catenary hyperbola parabola elliptical catenary hyperbola ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in different planes can be represented by a triangle, these will be in non-equilibrium unpredictable partial equilibrium full equilibrium non-equilibrium unpredictable partial equilibrium full equilibrium ANSWER DOWNLOAD EXAMIANS APP
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