Applied Mechanics and Graphic Statics On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts Away from the wall at its upper end Downwards at its upper end Upwards at its upper end Towards the wall at its upper end Away from the wall at its upper end Downwards at its upper end Upwards at its upper end Towards the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body slides down an inclined surface, the acceleration (f) of the body, is given by f = g cos θ f = g sin θ f = g tan θ f = g f = g cos θ f = g sin θ f = g tan θ f = g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Half the original velocity in the opposite direction Original velocity in the opposite direction Original velocity in the same direction Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the opposite direction Original velocity in the same direction Half the original velocity in the same direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Seconds pendulum executes 2.5 beats per second 2.0 beats per second 1.0 beat per second 0.5 beat per second 2.5 beats per second 2.0 beats per second 1.0 beat per second 0.5 beat per second ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Energy may be defined as Rate of doing work Capacity of doing work All listed here Power of doing work Rate of doing work Capacity of doing work All listed here Power of doing work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 - sin θ)/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) sin θ/(1 + sin θ) (1 - sin θ)/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) sin θ/(1 + sin θ) ANSWER DOWNLOAD EXAMIANS APP