Applied Mechanics and Graphic Statics A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight Vertical component of velocity remains constant Speed of the ball remains constant Kinetic energy of the ball remains constant Horizontal component of velocity remains constant Vertical component of velocity remains constant Speed of the ball remains constant Kinetic energy of the ball remains constant Horizontal component of velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts Downwards at its upper end Upwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end Downwards at its upper end Upwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The forces which meet at one point and have their lines of action in different planes are called Coplanar non-concurrent forces Intersecting forces Non-coplanar non-current forces Non-coplanar concurrent forces Coplanar non-concurrent forces Intersecting forces Non-coplanar non-current forces Non-coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of projection at which the horizontal range and maximum height of a projectile are equal to 56° 76° 36° 45° 56° 76° 36° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is 108.5 kg 110 kg 105.5 kg 102.5 kg 108.5 kg 110 kg 105.5 kg 102.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 60 50 30 80 60 50 30 80 ANSWER DOWNLOAD EXAMIANS APP