Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line Only (i) (i) and (iii) All (i), (ii) and (iii) (i) and (ii) Only (i) (i) and (iii) All (i), (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is None of these A rectilinear motion with constant speed A simple harmonic motion A damped oscillatory motion None of these A rectilinear motion with constant speed A simple harmonic motion A damped oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The acceleration of a train starting from rest at any instant is 1/6(V + 1) m/sec² where ‘V’ is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of 2100 m 2300 m 2000 m 2200 m 2100 m 2300 m 2000 m 2200 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton is equivalent to 1/9.81 kg. wt 9.81 kg. wt 1 kg. wt 981 dyne 1/9.81 kg. wt 9.81 kg. wt 1 kg. wt 981 dyne ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first? Sphere with greater rotational energy at bottom than cylinder Cylinder with greater rotational energy at bottom than sphere Both reach the bottom simultaneously with equal rotational energy at bottom Sphere with lesser rotational energy at bottom than cylinder Sphere with greater rotational energy at bottom than cylinder Cylinder with greater rotational energy at bottom than sphere Both reach the bottom simultaneously with equal rotational energy at bottom Sphere with lesser rotational energy at bottom than cylinder ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P cos θ/2 2P sin θ/2 P tan θ/2 2P cos θ/2 P cos θ/2 2P sin θ/2 P tan θ/2 2P cos θ/2 ANSWER DOWNLOAD EXAMIANS APP