Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 3mr²/5 3mr²/10 4mr²/5 2mr²/5 3mr²/5 3mr²/10 4mr²/5 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is 60° 90° 30° 120° 60° 90° 30° 120° 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 Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is less than the lead ball None of these The change in momentum suffered by rubber ball is more than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is less than the lead ball None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may Move in any one direction rotating about itself All of these Rotate about itself without moving Be completely at rest Move in any one direction rotating about itself All of these Rotate about itself without moving Be completely at rest ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Centre of gravity of a solid cone lies on the axis at the height One-half of the total height above base One fourth of the total height above base One third of the total height above base Three eighth of the total height above the base One-half of the total height above base One fourth of the total height above base One third of the total height above base Three eighth of the total height above the base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when None of these Either (A) or (B) No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero None of these Either (A) or (B) No force acts on a body but some displacement takes place Some force acts on a body, but displacement is zero ANSWER DOWNLOAD EXAMIANS APP
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