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 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 Perpendicular to the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is P + Q P/Q P - Q Q/P P + Q P/Q P - Q Q/P ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple are always zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A retarding force on a body does not Retard the motion of the body Introduce the motion of the body None of these Change the motion of the body Retard the motion of the body Introduce the motion of the body None of these Change the motion of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite goes on moving along its orbit round the earth due to Gravitational force Centripetal force Centrifugal force None of these Gravitational force Centripetal force Centrifugal force None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resolved part of the resultant of two forces inclined at an angle θ in a given direction is Arithmetical sum of the resolved parts of the forces in the direction Sum of the forces multiplied by the tangent θ° Difference of the forces multiplied by cosine θ° Algebraic sum of the resolved parts of the forces in the direction Arithmetical sum of the resolved parts of the forces in the direction Sum of the forces multiplied by the tangent θ° Difference of the forces multiplied by cosine θ° Algebraic sum of the resolved parts of the forces in the direction ANSWER DOWNLOAD EXAMIANS APP