Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be 2 cos α ½ cos α ½ sin α ½ tan α 2 cos α ½ cos α ½ sin α ½ tan α ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is 1.25 m/sec² 0.5 m/sec² 0.75 m/sec² 1.00 m/sec² 1.25 m/sec² 0.5 m/sec² 0.75 m/sec² 1.00 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a body fallen from height ‘h’, on reaching the ground is given by v = 2gh² v = 1/√(2gh) v = 2gh v = √(2gh) v = 2gh² v = 1/√(2gh) v = 2gh v = √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation Is directly proportional to their velocity of approach Bears a constant ratio to their velocity of approach Is inversely proportional to their velocity of approach Is equal to the sum of their velocities of approach Is directly proportional to their velocity of approach Bears a constant ratio to their velocity of approach Is inversely proportional to their velocity of approach Is equal to the sum of their velocities of approach ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 5 sec 10 sec 8 sec 20 sec 5 sec 10 sec 8 sec 20 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 10.88 m/sec 8.88 m/sec 5.88 m/sec 12.88 m/sec 10.88 m/sec 8.88 m/sec 5.88 m/sec 12.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
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