Strength of Materials Two coplanar couples having equal and opposite moments Produce a couple and an unbalanced force Are equivalent Produce a moment of couple Balance each other Produce a couple and an unbalanced force Are equivalent Produce a moment of couple Balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Minimum when it acts at the C.G. of the body Different at different points in its line of action Maximum when it acts at the center of gravity of a body The same at every point in its line of action Minimum when it acts at the C.G. of the body Different at different points in its line of action Maximum when it acts at the center of gravity of a body The same at every point in its line of action 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 2 and 5 3 and 1 kg V5 and V5 2 and V6 2 and 5 3 and 1 kg V5 and V5 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to W sin (a + $) Wtan(a + <|)) Wan(a-) W W sin (a + $) Wtan(a + <|)) Wan(a-) W 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 is rough, the wall is smooth the floor and wall both are smooth surfaces the floor and wall both are rough sur-faces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are smooth surfaces the floor and wall both are rough sur-faces the floor is smooth, the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called post friction limiting friction frictional resistance dynamic friction post friction limiting friction frictional resistance dynamic friction ANSWER DOWNLOAD EXAMIANS APP
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