Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the moments of the forces about the point is zero Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the moments of the forces about the point is zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of h/3 3h/4 h/4 2h/3 h/3 3h/4 h/4 2h/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A solid cylinder of mass M and radius R rolls down an inclined plane without slipping. The acceleration of center of mass of rolling cylinder is (where ‘g’ is acceleration due to gravity and 0 is inclination of plane with horizontal.) (2/3) g sin 0 (1/3) g sinB (2/3) g cos 9 g sin 9 (2/3) g sin 0 (1/3) g sinB (2/3) g cos 9 g sin 9 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is 43833 44052 43839 43864 43833 44052 43839 43864 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is 0.75 m 1.5 m 0.5 m 1.0 m 0.75 m 1.5 m 0.5 m 1.0 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 66.67% equal to 100% more than 50% less than 50% more than 66.67% equal to 100% more than 50% less than 50% ANSWER DOWNLOAD EXAMIANS APP
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