Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is 0.5 mv2 0.5 mgv2 mv2 mgv2 0.5 mv2 0.5 mgv2 mv2 mgv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ? 43832 43892 43865 43864 43832 43892 43865 43864 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by All of these Increasing the length of the handle Increasing the number of teeth of the pinion Increasing the radius of the load drum All of these Increasing the length of the handle Increasing the number of teeth of the pinion Increasing the radius of the load drum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h2/kG h × kG kG2/h h/kG h2/kG h × kG kG2/h h/kG 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.) All of these v2 = u2 + 2a.s v = u + a.t s = u.t + ½ a.t2 All of these v2 = u2 + 2a.s v = u + a.t s = u.t + ½ a.t2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 4r/ 3π 3r/ 8 3r/4π 8r/3 4r/ 3π 3r/ 8 3r/4π 8r/3 ANSWER DOWNLOAD EXAMIANS APP
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