Engineering Mechanics A smooth cylinder lying on its convex surface remains in __________ equilibrium. Stable None of these Neutral Unstable Stable None of these Neutral Unstable ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion, and y = Displacement of the particle from mean position.) ω².√(y² - r²) ω.√(r² - y²) ω.√(y² - r²) ω².√(r² - y²) ω².√(y² - r²) ω.√(r² - y²) ω.√(y² - r²) ω².√(r² - y²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? The velocity ratio of a machine is the ratio of load lifted to the effort applied A force acting in the opposite direction to the motion of the body is called force of friction A machine whose efficiency is 100% is known as an ideal machine The ratio of the limiting friction to the normal reaction is called coefficient of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A force acting in the opposite direction to the motion of the body is called force of friction A machine whose efficiency is 100% is known as an ideal machine The ratio of the limiting friction to the normal reaction is called coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will None of these Remain horizontal Slant down towards direction of pull Slant up towards direction of pull None of these Remain horizontal Slant down towards direction of pull Slant up towards direction of pull ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force which comes into play when a body just begins to slide over another surface is called Rolling friction Kinematic friction Limiting friction Sliding friction Rolling friction Kinematic friction Limiting friction Sliding friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by P + Q Q / P P / Q P - Q P + Q Q / P P / Q P - Q ANSWER DOWNLOAD EXAMIANS APP
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