Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts Perpendicular to the wall at its upper end Downwards at its upper end Zero at its upper end Upwards at its upper end Perpendicular to the wall at its upper end Downwards at its upper end Zero at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: Algebraic sum of forces, constituting a couple is zero All listed here A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same Algebraic sum of forces, constituting a couple is zero All listed here A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by 8.75 kg 5.5 kg 10.5 kg 6.25 kg 8.75 kg 5.5 kg 10.5 kg 6.25 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite moves in its orbit around the earth due to Centrifugal force Centripetal force Gravitational force None of these Centrifugal force Centripetal force Gravitational force None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are: 3 m/sec and 2 m/sec 2 m/sec and 2 m/sec 4 m/sec and 6 m/sec 3 m/sec and 3 m/sec 3 m/sec and 2 m/sec 2 m/sec and 2 m/sec 4 m/sec and 6 m/sec 3 m/sec and 3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Be in equilibrium Always reduce to a resultant force Always reduce to a couple Both (A) and (C) Be in equilibrium Always reduce to a resultant force Always reduce to a couple Both (A) and (C) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS