Applied Mechanics and Graphic Statics A satellite is said to move in a synchronous orbit if it moves at an altitude of 36,000 km with a maximum velocity of about 9000 km per hour 11,000 km per hour 7000 km per hour 8000 km per hour 9000 km per hour 11,000 km per hour 7000 km per hour 8000 km per hour ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is 3 sec 5 sec 2 sec 4 sec 3 sec 5 sec 2 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
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 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 Floor and wall both are rough surfaces Floor is smooth and the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be 0.5 Less than 60% None of these More than 50% 0.5 Less than 60% None of these More than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 314 1.5 5 25 314 1.5 5 25 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS