Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of Output to the input Distance moved by effort to the distance moved by load All of these Load lifted to the effort applied Output to the input Distance moved by effort to the distance moved by load All of these Load lifted to the effort applied ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is ml2/8 ml2/12 ml2/4 ml2/ 6 ml2/8 ml2/12 ml2/4 ml2/ 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 75 mm 125 mm 50 mm 87.5 mm 75 mm 125 mm 50 mm 87.5 mm 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 0.5 Iω2 Iω 0.5 Iω Iω2 0.5 Iω2 Iω 0.5 Iω Iω2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = (gx²/2u² cos²α) - x. tanα y = x. tanα + (gx²/2u² cos²α) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = (gx²/2u² cos²α) - x. tanα y = x. tanα + (gx²/2u² cos²α) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction. Decrease Not be effected None of these Increase Decrease Not be effected None of these Increase ANSWER DOWNLOAD EXAMIANS APP
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