Strength of Materials The necessary condition for forces to be in equilibrium is that these should be Coplanar Meet at one point All be equal Coplanar & Meet at one point Coplanar Meet at one point All be equal Coplanar & Meet at one point 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 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 In actual machines mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is greater than velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is greater than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at All of these the mid point of its axis the bottom surface the center of heavy portion All of these the mid point of its axis the bottom surface the center of heavy portion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body are equivalent cannot balance each other produce moment of a couple balance each other are equivalent cannot balance each other produce moment of a couple balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called dynamic friction frictional resistance limiting friction post friction dynamic friction frictional resistance limiting friction post friction ANSWER DOWNLOAD EXAMIANS APP
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