Applied Mechanics and Graphic Statics The locus of the instantaneous centre of a moving rigid body, is Centroid Spiral Straight line Involute Centroid Spiral Straight line Involute ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum potential energy of a system will be in the position of Stable equilibrium Neutral equilibrium All of these Unstable equilibrium Stable equilibrium Neutral equilibrium All of these Unstable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Moves along a curved path Does not move at all Moves with variable velocity in a straight line Rotates Moves along a curved path Does not move at all Moves with variable velocity in a straight line Rotates ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals Q sin θ/P + Q sin θ P sin θ/P + Q tan θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ P sin θ/P + Q tan θ P sin θ/P - Q cos θ Q sin θ/P + Q cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: 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 magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction is dependent upon the area of contact 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 magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction is dependent upon the area of contact ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are: 4 m/sec and 6 m/sec 2 m/sec and 2 m/sec 3 m/sec and 2 m/sec 3 m/sec and 3 m/sec 4 m/sec and 6 m/sec 2 m/sec and 2 m/sec 3 m/sec and 2 m/sec 3 m/sec and 3 m/sec ANSWER DOWNLOAD EXAMIANS APP
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