Applied Mechanics and Graphic Statics When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as Negative work Virtual work None of these Imaginary work Negative work Virtual work None of these Imaginary work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be 25 m/sec 10 m/sec 20 m/sec 15 m/sec 25 m/sec 10 m/sec 20 m/sec 15 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity) (1/3) g sin0 (5/7) g sin0 (2/5) g sin 0 (3/7) g sin 0 (1/3) g sin0 (5/7) g sin0 (2/5) g sin 0 (3/7) g sin 0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be 0.5 None of these Less than 60% More than 50% 0.5 None of these Less than 60% More than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is 0.75 m/sec² 0.5 m/sec² 1.00 m/sec² 1.25 m/sec² 0.75 m/sec² 0.5 m/sec² 1.00 m/sec² 1.25 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Triangle Open polygon Parallelogram Closed polygon Triangle Open polygon Parallelogram Closed polygon ANSWER DOWNLOAD EXAMIANS APP