Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor is smooth, the wall is rough the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is rough, the wall is smooth the floor is smooth, the wall is rough the floor and wall both are rough sur-faces the floor and wall both are smooth surfaces the floor is rough, the wall is smooth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a number of forces act simultaneously on a particle, it is possible To replace them by a couple To replace them by a single force through C.G. To replace them by a single force Not a replace them by a single force To replace them by a couple To replace them by a single force through C.G. To replace them by a single force Not a replace them by a single force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = (d)3/-2 j-2 2/-3 (b)2j-l (d)3/-2 j-2 2/-3 (b)2j-l ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Maximum when it acts at the center of gravity of a body Different at different points in its line of action The same at every point in its line of action Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body Different at different points in its line of action The same at every point in its line of action Minimum when it acts at the C.G. of the body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the mid point of its axis the center of heavy portion All of these the bottom surface the mid point of its axis the center of heavy portion All of these the bottom surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force is completely defined when we specify point of application All of the listed here magnitude direction point of application All of the listed here magnitude direction ANSWER DOWNLOAD EXAMIANS APP