Applied Mechanics and Graphic Statics A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is 20° 48' 19° 48' 17° 48' 18° 48' 20° 48' 19° 48' 17° 48' 18° 48' 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 + b²)/3 (a + b) None of these (b² + bc + c²)/3 (b + c) (a² + ab + c²)/3 (a + c) (a² + ab + b²)/3 (a + b) None of these (b² + bc + c²)/3 (b + c) (a² + ab + c²)/3 (a + c) 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 7 kg 5 kg None of these 1 kg 7 kg 5 kg None of these 1 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is 43834 3 43833 4 43834 3 43833 4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Open polygon Parallelogram Triangle Closed polygon Open polygon Parallelogram Triangle Closed polygon ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The rate of change of displacement of a body with respect to its surrounding, is known Speed Velocity None of these Acceleration Speed Velocity None of these Acceleration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS