Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P cosθ/2 2P sinθ/2 2P tanθ/2 2P cotθ/2 2P cosθ/2 2P sinθ/2 2P tanθ/2 2P cotθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a⁴/16 a³/12 a²/8 a⁴/12 a⁴/16 a³/12 a²/8 a⁴/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when Some force acts on a body, but displacement is zero Either (A) or (B) No force acts on a body but some displacement takes place None of these Some force acts on a body, but displacement is zero Either (A) or (B) No force acts on a body but some displacement takes place None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 30° 60° 90° 45° 30° 60° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 400 50 100 200 400 50 100 200 ANSWER DOWNLOAD EXAMIANS APP
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