Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor and wall both are rough surfaces Floor is smooth and the wall is rough Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor and wall both are rough surfaces Floor is smooth and the wall is rough Floor and wall both are smooth surfaces Floor is rough and the wall is smooth ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is 19° 48' 17° 48' 20° 48' 18° 48' 19° 48' 17° 48' 20° 48' 18° 48' ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a homogeneous body is the point at which the whole All listed here Weight of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Area of the surface of the body is assumed to be concentrated All listed here Weight of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Area of the surface of the body is assumed to be concentrated ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.50 0.25 0.75 1.0 0.50 0.25 0.75 1.0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 80 m/sec 70 m/sec 90 m/sec 75 m/sec 80 m/sec 70 m/sec 90 m/sec 75 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a moving body, is None of these A vector quantity A constant quantity A scalar quantity None of these A vector quantity A constant quantity A scalar quantity ANSWER DOWNLOAD EXAMIANS APP