Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple may not be zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) r r2 1/r log r r r2 1/r log r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature, Length of the cable increases None of these Dip of the cable decreases Dip of the cable increases Length of the cable increases None of these Dip of the cable decreases Dip of the cable increases ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is None of these Zero Minimum Maximum None of these Zero Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The intrinsic equation of catenary is y = c sinh ψ y = c cosh ψ y = c cosh x/c S = c tan ψ y = c sinh ψ y = c cosh ψ y = c cosh x/c S = c tan ψ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals P sin θ/P + Q tan θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ P sin θ/P + Q tan θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ ANSWER DOWNLOAD EXAMIANS APP
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