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 is rough, the wall is smooth the floor and wall both are smooth surfaces the floor is smooth, the wall is rough the floor and wall both are rough sur-faces the floor is rough, the wall is smooth the floor and wall both are smooth surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of gravity of a solid cone lies on the axis at the height one-fourth of the total height above base one-half of the total height above base three-eighth of the total height above the base one-third of the total height above base one-fourth of the total height above base one-half of the total height above base three-eighth of the total height above the base one-third of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Balance each other Produce a couple and an unbalanced force Produce a moment of couple Are equivalent Balance each other Produce a couple and an unbalanced force Produce a moment of couple Are equivalent ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either meet in a point be all parallel at least two of them must meet All of the listed here meet in a point be all parallel at least two of them must meet All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of third order second order zeioth order first order third order second order zeioth order first order 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 Not a replace them by a single force To replace them by a single force To replace them by a single force through C.G. To replace them by a couple Not a replace them by a single force To replace them by a single force To replace them by a single force through C.G. ANSWER DOWNLOAD EXAMIANS APP
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