Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor and wall both are rough surfaces Floor is smooth and the wall is rough Floor is rough and the wall is smooth Floor and wall both are smooth surfaces Floor and wall both are rough surfaces Floor is smooth and the wall is rough Floor is rough and the wall is smooth Floor and wall both are smooth surfaces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 1/5 1/3 2/3 3/5 1/5 1/3 2/3 3/5 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) (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) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is 0.5 m 1.5 m 1.0 m 0.75 m 0.5 m 1.5 m 1.0 m 0.75 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ? prism None of these both equally stable pyramid prism None of these both equally stable pyramid ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Angular acceleration of a particle may be expressed as All listed here Revolutions/sec Radians/sec² Degrees/sec² All listed here Revolutions/sec Radians/sec² Degrees/sec² ANSWER DOWNLOAD EXAMIANS APP