Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 - sin θ)/sin θ sin θ/(1 + sin θ) (1 - sin θ)/(1 + sin θ) (1 + sin θ)/(1 - sin θ) (1 - sin θ)/sin θ sin θ/(1 + sin θ) (1 - sin θ)/(1 + sin θ) (1 + sin θ)/(1 - sin θ) 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) 1/r r2 log r r 1/r r2 log r r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g2/g1 g2 g1/g2 g1 g2/g1 g2 g1/g2 g1 ANSWER DOWNLOAD EXAMIANS APP
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 Zero 50 m 60 m 30 m Zero 50 m 60 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side The diagonal of the parallelogram which does not pass through the point of intersection of the forces Its longer side The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side The diagonal of the parallelogram which does not pass through the point of intersection of the forces Its longer side ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time period and length of a second’s pendulum respectively are 2 sec and 92.7 cm 2 sec and 99.4 cm 1 sec and 92.7 cm 1 sec and 99.4 cm 2 sec and 92.7 cm 2 sec and 99.4 cm 1 sec and 92.7 cm 1 sec and 99.4 cm ANSWER DOWNLOAD EXAMIANS APP
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