Applied Mechanics and Graphic Statics A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is 0.57 0.33 0.67 0.44 0.57 0.33 0.67 0.44 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time of flight of a projectile on a horizontal plane, is 2u cosα/g 2u sinα/g 2u tanα/g 2u cotα/g 2u cosα/g 2u sinα/g 2u tanα/g 2u cotα/g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of vertical components of all the forces must be zero Algebraic sum of horizontal 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 vertical components of all the forces must be zero Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t3 - 3l2 + 5. The ratio of the velocities after 5 sec and 3 sec will be 4 3 5 2 4 3 5 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Parallelogram Open polygon Closed polygon Triangle Parallelogram Open polygon Closed polygon Triangle ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line All (i), (ii) and (iii) (i) and (ii) (i) and (iii) Only (i) All (i), (ii) and (iii) (i) and (ii) (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
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