Engineering Mechanics A smooth cylinder lying on a __________ is in neutral equilibrium. Horizontal surface Convex surface Curved surface None of these Horizontal surface Convex surface Curved surface None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tanα/tan (α + φ) tan(α + φ)/tanα tan(α - φ)/tanα None of these tanα/tan (α + φ) tan(α + φ)/tanα tan(α - φ)/tanα None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. tanα/g t = 2u. cosα/g t = 2u/g.sinα t = 2u. sinα/g t = 2u. tanα/g t = 2u. cosα/g t = 2u/g.sinα t = 2u. sinα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as Newton's third law of motion None of these Newton's second law of motion Newton's first law of motion Newton's third law of motion None of these Newton's second law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be Halved None of these Doubled Quadrupled Halved None of these Doubled Quadrupled ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Non-coplanar concurrent forces are those forces which Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
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