Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of Load lifted to the effort applied Distance moved by effort to the distance moved by load Output to the input All of these Load lifted to the effort applied Distance moved by effort to the distance moved by load Output to the input All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of work in S.I. units is kg-m Newton joule erg kg-m Newton joule erg 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.√(r² - y²) ω.√(y² - r²) ω².√(y² - r²) ω.√(r² - y²) ω².√(r² - y²) ω.√(y² - r²) ω².√(y² - r²) ω.√(r² - y²) 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 Limiting friction Kinematic friction Sliding friction Rolling friction Limiting friction Kinematic friction Sliding friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when at rest, is known as Dynamic friction Limiting friction Static friction Coefficient of friction Dynamic friction Limiting friction Static friction Coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is D - d D × d D / d D + d D - d D × d D / d D + d ANSWER DOWNLOAD EXAMIANS APP
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