Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be √2 T 3 T 1/2 T 2 T √2 T 3 T 1/2 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 7.5 cm 8.75 cm 5.0 cm 7.85 cm 7.5 cm 8.75 cm 5.0 cm 7.85 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side Its longer side The diagonal of the parallelogram which does not pass through the point of intersection of the forces The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side Its longer side The diagonal of the parallelogram which does not pass through the point of intersection of the forces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 100 g 40 g 80 g 60 g 100 g 40 g 80 g 60 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J Both (i) and (iii) All (i), (ii) and (iii) Only (ii) Both (ii) and (iii) Both (i) and (iii) All (i), (ii) and (iii) Only (ii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In simple harmonic motion, acceleration of a particle is proportional to Direction Velocity Rate of change of velocity Displacement Direction Velocity Rate of change of velocity Displacement ANSWER DOWNLOAD EXAMIANS APP
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