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 All (i), (ii) and (iii) (i) and (iii) (i) and (ii) Only (i) All (i), (ii) and (iii) (i) and (iii) (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘P’ is the force acting on a body whose mass is ‘m’ and acceleration is ‘f’. The equation P - mf= 0, is known as None of these Equation of statics Equation of dynamics Equation of dynamic equilibrium None of these Equation of statics Equation of dynamics Equation of dynamic equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are: 3 m/sec and 2 m/sec 3 m/sec and 3 m/sec 2 m/sec and 2 m/sec 4 m/sec and 6 m/sec 3 m/sec and 2 m/sec 3 m/sec and 3 m/sec 2 m/sec and 2 m/sec 4 m/sec and 6 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is None of these —rad/sec 10 —rad/sec 30 —rad/sec 20 None of these —rad/sec 10 —rad/sec 30 —rad/sec 20 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 wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Be in equilibrium Both (A) and (C) Always reduce to a couple Always reduce to a resultant force Be in equilibrium Both (A) and (C) Always reduce to a couple Always reduce to a resultant force ANSWER DOWNLOAD EXAMIANS APP
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