Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P tan θ/2 P cos θ/2 2P sin θ/2 2P cos θ/2 P tan θ/2 P cos θ/2 2P sin θ/2 2P cos θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The rotational velocity of a satellite is increased by 450 m per second if its launch is done from equator Eastward Northward Southward Westward Eastward Northward Southward Westward ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is 89 J 400 J 64 J 464 J 89 J 400 J 64 J 464 J 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 (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be 20 m/sec 25 m/sec 10 m/sec 15 m/sec 20 m/sec 25 m/sec 10 m/sec 15 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be √(gra/h) 4√(gra/h) ∛(gra/h) gra/h √(gra/h) 4√(gra/h) ∛(gra/h) gra/h ANSWER DOWNLOAD EXAMIANS APP
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