Applied Mechanics and Graphic Statics The centre of gravity of a quadrant of a circle lies along its central radius at a distance of 0.3 R 0.4 R 0.2 R 0.6 R 0.3 R 0.4 R 0.2 R 0.6 R ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is 19.5 kg 25 kg 22.5 kg 17.5 kg 19.5 kg 25 kg 22.5 kg 17.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if Algebraic sum of the moments of the forces about the point is zero Sum of resolved parts in any two directions at right angles, are both zero Algebraic sum of the forces is zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the moments of the forces about the point is zero Sum of resolved parts in any two directions at right angles, are both zero Algebraic sum of the forces is zero Two resolved parts in any two directions at right angles are equal ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 1/3 1/5 2/3 3/5 1/3 1/5 2/3 3/5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If y is force and x is velocity, then dimensions of —=r are dx2 M’^T’ M’L-‘T0 M2L’T3 M’L-‘T1 M’^T’ M’L-‘T0 M2L’T3 M’L-‘T1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moves along a straight line such that distance ‘x’ traversed in ‘t’ seconds is given by x = t²(t + 1), the acceleration of the particle, will be 6t + 2 3t² + 2t 6t - 2 3t³ - 2t 6t + 2 3t² + 2t 6t - 2 3t³ - 2t ANSWER DOWNLOAD EXAMIANS APP