Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is None of these That resultant couple must be zero That polygon of forces must close Both (A) and (B) None of these That resultant couple must be zero That polygon of forces must close Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to 1 kg 7 kg 5 kg None of these 1 kg 7 kg 5 kg None of these 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 1/r log r r2 r 1/r log r r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics At a given instant ship ‘A’ is travelling at 6 km/h due east and ship ‘B’ is travelling at 8 km/h due north. The velocity of ‘B’ relative to ‘A’ is 7 km/hrs 1 km/hrs 2 km/hrs 10 km/hrs 7 km/hrs 1 km/hrs 2 km/hrs 10 km/hrs ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of projection at which the horizontal range and maximum height of a projectile are equal to 76° 36° 56° 45° 76° 36° 56° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is said to move with Simple Harmonic Motion if its acceleration, is Always directed away from the centre, the point of reference Proportional to the distance from the point of reference and directed towards it Proportional to the square of the distance from the point of reference Inversely proportion to the distance from the point of reference Always directed away from the centre, the point of reference Proportional to the distance from the point of reference and directed towards it Proportional to the square of the distance from the point of reference Inversely proportion to the distance from the point of reference ANSWER DOWNLOAD EXAMIANS APP