Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 3mr²/5 4mr²/5 2mr²/5 3mr²/10 3mr²/5 4mr²/5 2mr²/5 3mr²/10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.) [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²) [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)² [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)² [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The term 'Centroid' is The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The point of suspension The same as centre of gravity The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The point of suspension The same as centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P cosθ/2 2P sinθ/2 2P tanθ/2 2P cotθ/2 2P cosθ/2 2P sinθ/2 2P tanθ/2 2P cotθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: The change in momentum suffered by rubber ball is more than the lead ball The change in momentum suffered by rubber ball is less than the lead ball None of these Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is more than the lead ball The change in momentum suffered by rubber ball is less than the lead ball None of these Both the balls undergo an equal change in momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The motion of a wheel of a car is Purely rotational Combined translation and rotational None of the listed here Purely translation Purely rotational Combined translation and rotational None of the listed here Purely translation ANSWER DOWNLOAD EXAMIANS APP
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