Applied Mechanics and Graphic Statics The following is not a law of static friction: The force of friction always acts in a direction opposite to that in which the body tends to move The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction is dependent upon the area of contact The force of friction depends upon the roughness of the surface The force of friction always acts in a direction opposite to that in which the body tends to move The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction is dependent upon the area of contact The force of friction depends upon the roughness of the surface ANSWER DOWNLOAD EXAMIANS APP
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 Towards the wall at its upper end Upwards at its upper end Away from the wall at its upper end Downwards at its upper end Towards the wall at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angular speed of a car while taking a circular turn of radius 100 m at 36 km/hour, is 1000 radian/sec 100 radian/sec 0.1 radian/sec 1 radian/sec 1000 radian/sec 100 radian/sec 0.1 radian/sec 1 radian/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The vertical reaction at the support ‘A’ of the structure shown in below figure, is Applied Mechanics and Graphic Statics mcq question image 5 t 3 t 4 t 2 t 5 t 3 t 4 t 2 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moves in a straight line and its position is defined by the equation x = 6 t² - t3 where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is 12 m/sec 24 m/sec 48 m/sec 6 m/sec 12 m/sec 24 m/sec 48 m/sec 6 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals P sin θ/P - Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ Q sin θ/P + Q cos θ P sin θ/P - Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ Q sin θ/P + Q cos θ ANSWER DOWNLOAD EXAMIANS APP