Applied Mechanics and Graphic Statics A block in the shape of a parallelepiped of sides 1m × 2m × 3m lies on the surface. Which of the faces gives maximum stable block? 1 m × 3 m Equally stable on all faces 1 m × 2 m 2 m × 3 m 1 m × 3 m Equally stable on all faces 1 m × 2 m 2 m × 3 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Varingon’s theorem of moment’s states Algebraic sum of the moments of two forces about any point, is equal to the moment of their resultant about that point Arithmetical sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point Algebraic sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point Arithmetical sum of the moments of two forces about any point, is equal to the moments of their resultant about that point Algebraic sum of the moments of two forces about any point, is equal to the moment of their resultant about that point Arithmetical sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point Algebraic sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point Arithmetical sum of the moments of two forces about any point, is equal to the moments of their resultant about that point ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is 22 m/sec 20 m/sec 16 m/sec 18 m/sec 22 m/sec 20 m/sec 16 m/sec 18 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ? i. 1.0 in from the wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is b³/4 b⁴/12 b⁴/8 b⁴/3 b³/4 b⁴/12 b⁴/8 b⁴/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at 45° 90° 60° 30° 45° 90° 60° 30° ANSWER DOWNLOAD EXAMIANS APP