Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is Both (A) and (B) That resultant couple must be zero None of these That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these That polygon of forces must close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: The force of friction is dependent upon the area of contact The force of friction always acts in a direction opposite to that in which the body tends to move 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 is dependent upon the area of contact The force of friction always acts in a direction opposite to that in which the body tends to move 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
Applied Mechanics and Graphic Statics If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is Independent of A Proportional to A Proportional to A² Proportional to 1/A² Independent of A Proportional to A Proportional to A² Proportional to 1/A² 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 5 25 1.5 314 5 25 1.5 314 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is W sec θ W sin θ W cosec θ W cos θ W sec θ W sin θ W cosec θ W cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is b⁴/3 b⁴/12 b³/4 b⁴/8 b⁴/3 b⁴/12 b³/4 b⁴/8 ANSWER DOWNLOAD EXAMIANS APP