Applied Mechanics and Graphic Statics The motion of a particle is described by the relation x = t²- 10t + 30, where x is in meters and t in seconds. The total distance travelled by the particle from t = 0 to t = 10 seconds would be 30 m 50 m Zero 60 m 30 m 50 m Zero 60 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The locus of the instantaneous centre of a moving rigid body, is Involute Centroid Spiral Straight line Involute Centroid Spiral Straight line ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% less than 50% equal to 100% more than 66.67% more than 50% less than 50% equal to 100% more than 66.67% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is (a² + ab + c²)/3 (a + c) None of these (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) None of these (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Cartesian form of the equation of catenary is y = c sin x/c y = c tan x/c y = c cosh x/c y = c sinh x/c y = c sin x/c y = c tan x/c y = c cosh x/c y = c sinh x/c ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of the trapezium as shown in below figure from the side is at a distance of (h/2) × [(b + 2a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] ANSWER DOWNLOAD EXAMIANS APP