Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 + m m 1 / m 1 - m 1 + m m 1 / m 1 - m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is a = r / α None of these a = α.r a = α/ r a = r / α None of these a = α.r a = α/ r 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 Their lines of action are at equal distances The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point The algebraic sum of their moments about any point in their plane is zero Their algebraic sum is zero Their lines of action are at equal distances The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point The algebraic sum of their moments about any point in their plane is zero Their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is Iω2 0.5 Iω 0.5 Iω2 Iω Iω2 0.5 Iω 0.5 Iω2 Iω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is cosθ sinθ cosecθ tanθ cosθ sinθ cosecθ tanθ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by √[(∑V)2 + (∑H)2] √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 +(∑H)2 +2(∑V)(∑H) (∑V)2 + (∑H)2 √[(∑V)2 + (∑H)2] √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 +(∑H)2 +2(∑V)(∑H) (∑V)2 + (∑H)2 ANSWER DOWNLOAD EXAMIANS APP
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