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 and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is 17.5 kg 22.5 kg 19.5 kg 25 kg 17.5 kg 22.5 kg 19.5 kg 25 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/2y wl/8y wl wl/4y wl/2y wl/8y wl wl/4y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is (1/2π) √(α/θ) 2π √(α/θ) 2π √(α - θ) 4π √(α/θ) (1/2π) √(α/θ) 2π √(α/θ) 2π √(α - θ) 4π √(α/θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium Only the closure of force polygon is sufficient None of these Only the closure of funicular polygon is sufficient Both force polygon and funicular polygon must close Only the closure of force polygon is sufficient None of these Only the closure of funicular polygon is sufficient Both force polygon and funicular polygon must close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Parallelogram Open polygon Closed polygon Triangle Parallelogram Open polygon Closed polygon Triangle ANSWER DOWNLOAD EXAMIANS APP
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