Applied Mechanics and Graphic Statics The tension in a cable supporting a lift Is less when the lift is moving downwards Is more when the lift is moving downwards Is less when the lift is moving upwards Remains constant whether its moves downwards or upwards Is less when the lift is moving downwards Is more when the lift is moving downwards Is less when the lift is moving upwards Remains constant whether its moves downwards or upwards ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angles between two forces to make their resultant a minimum and a maximum respectively are 0° and 90° 90° and 180° 180° and 0° 180° and 90° 0° and 90° 90° and 180° 180° and 0° 180° and 90° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: 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 Algebraic sum of horizontal components of all the forces must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g1 g2 g2/g1 g1/g2 g1 g2 g2/g1 g1/g2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of friction is: The ratio of the friction and the normal reaction The force of friction at which the body is just about to move The angle between the normal reaction and the resultant of normal reaction and limiting friction The force of friction when the body is in motion The ratio of the friction and the normal reaction The force of friction at which the body is just about to move The angle between the normal reaction and the resultant of normal reaction and limiting friction The force of friction when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Original velocity in the opposite direction Original velocity in the same direction Half the original velocity in the opposite direction Half the original velocity in the same direction Original velocity in the opposite direction Original velocity in the same direction Half the original velocity in the opposite direction Half the original velocity in the same direction ANSWER DOWNLOAD EXAMIANS APP