Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) n n² 2n 2n - 1 n n² 2n 2n - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Give rise to the internal stresses in it Change its motion All of these Balance the forces, already acting on it Give rise to the internal stresses in it Change its motion All of these Balance the forces, already acting on it ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate 2.5 cm 1.5 cm 1.0 cm 0.5 cm 2.5 cm 1.5 cm 1.0 cm 0.5 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then 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 lines of action are at equal distances Their algebraic sum is zero 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 lines of action are at equal distances Their algebraic sum is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 50 mm 125 mm 75 mm 87.5 mm 50 mm 125 mm 75 mm 87.5 mm 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 = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα ANSWER DOWNLOAD EXAMIANS APP
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