Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is None of these Reversible Ideal Non-reversible None of these Reversible Ideal Non-reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is g/3 g/4 g/2 None of these g/3 g/4 g/2 None of these 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.√(r² - y²) ω².√(y² - r²) ω.√(y² - r²) ω².√(r² - y²) ω.√(r² - y²) ω².√(y² - r²) ω.√(y² - r²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total motion possessed by a body, is called Impulsive force Mass Momentum Weight Impulsive force Mass Momentum Weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Equal to 50% Greater than 50% Less than 50% 1 Equal to 50% Greater than 50% Less than 50% 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Zero at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Upwards at its upper end Zero at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
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