Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts towards the centre of rotation Is mw2r/g kgf Acts away from the centre of rotation Acts tangentially to the circular path Acts towards the centre of rotation Is mw2r/g kgf Acts away from the centre of rotation Acts tangentially to the circular path ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of vertical components of all the forces must be zero All (A), (B) and (C) Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of vertical components of all the forces must be zero All (A), (B) and (C) Algebraic sum of the moments of the forces about a point must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Nature of surfaces only Area of contact only None of these Both (A) and (B) Nature of surfaces only Area of contact only None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively Newton and watt Newton and joule Dyne and erg kg wt and joule Newton and watt Newton and joule Dyne and erg kg wt and joule ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ? 1/100 1 100 1/10000 1/100 1 100 1/10000 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The member which does not carry zero force in the structure shown in below figure, is BD DC BC ED BD DC BC ED ANSWER DOWNLOAD EXAMIANS APP