Engineering Mechanics A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of r/2 0.134 r r/3 r/A r/2 0.134 r r/3 r/A ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P sinθ/2 2P tanθ/2 2P cotθ/2 2P cosθ/2 2P sinθ/2 2P tanθ/2 2P cotθ/2 2P cosθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Coplanar non-concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Electrical energy Strain energy Kinetic energy Heat energy Electrical energy Strain energy Kinetic energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will Slant up towards direction of pull Slant down towards direction of pull Remain horizontal None of these Slant up towards direction of pull Slant down towards direction of pull Remain horizontal None of these ANSWER DOWNLOAD EXAMIANS APP
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