Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Horizontal Downwards None of these Upwards Horizontal Downwards None of these Upwards ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/4 mr²/8 mr²/2 mr²/6 mr²/4 mr²/8 mr²/2 mr²/6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella More inclined when moving More inclined when standing Less inclined when standing Less inclined when moving More inclined when moving More inclined when standing Less inclined when standing Less inclined when moving ANSWER DOWNLOAD EXAMIANS APP
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 Reversible Ideal None of these Non-reversible Reversible Ideal None of these Non-reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a particle moving with simple harmonic motion is _________ at the mean position. Zero Minimum None of these Maximum Zero Minimum None of these Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) s = u.t + ½ a.t2 All of these v = u + a.t v2 = u2 + 2a.s s = u.t + ½ a.t2 All of these v = u + a.t v2 = u2 + 2a.s ANSWER DOWNLOAD EXAMIANS APP
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