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 10 kg, – ve sense 20 kg, + ve sense 10 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense 20 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Produce a moment of couple Are equivalent Produce a couple and an unbalanced force Balance each other Produce a moment of couple Are equivalent Produce a couple and an unbalanced force Balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In the lever of third order, load W, effort P and fulcrum F are oriented as follows P between W and F F between W and P W between P and F W, P and F all on one side P between W and F F between W and P W between P and F W, P and F all on one side 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 Wtan(a + <|)) W sin (a + $) Wan(a-) W Wtan(a + <|)) W sin (a + $) Wan(a-) 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 V5 and V5 3 and 1 kg 2 and V6 2 and 5 V5 and V5 3 and 1 kg 2 and V6 2 and 5 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is same may be less of more depending on nature of surfaces and velocity less more same may be less of more depending on nature of surfaces and velocity less more ANSWER DOWNLOAD EXAMIANS APP