Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-2 n-l 2n-3 2n-l n-2 n-l 2n-3 2n-l 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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to centripetal force of earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. gravitational pull exerted by the earth centripetal force of earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. gravitational pull exerted by the earth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in different planes can be represented by a triangle, these will be in partial equilibrium unpredictable non-equilibrium full equilibrium partial equilibrium unpredictable non-equilibrium full equilibrium ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor and wall both are rough sur-faces the floor is smooth, the wall is rough the floor and wall both are smooth surfaces the floor is rough, the wall is smooth the floor and wall both are rough sur-faces the floor is smooth, the wall is rough the floor and wall both are smooth surfaces the floor is rough, the wall is smooth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials When trying to turn a key into a lock, following is applied moment couple coplanar force non-coplanar forces moment couple coplanar force non-coplanar forces ANSWER DOWNLOAD EXAMIANS APP
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