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 80 30 50 60 80 30 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight Horizontal component of velocity remains constant Speed of the ball remains constant Vertical component of velocity remains constant Kinetic energy of the ball remains constant Horizontal component of velocity remains constant Speed of the ball remains constant Vertical component of velocity remains constant Kinetic energy of the ball remains constant ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is 5 √3 m/sec 3 √5 m/sec 10 √5 m/sec 5 √10 m/sec 5 √3 m/sec 3 √5 m/sec 10 √5 m/sec 5 √10 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act On the periphery of the body At the centre of gravity of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force On the periphery of the body At the centre of gravity of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When two forces, each equal to P, act at 90° to each other, then the resultant will be P√2 2P P P/√2 P√2 2P P P/√2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is 45° 120° 60° 30° 45° 120° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
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