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 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 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side Its longer side The diagonal of the parallelogram which does not pass through the point of intersection of the forces The diagonal of the parallelogram which passes through the point of intersection of the forces Its shorter side Its longer side The diagonal of the parallelogram which does not pass through the point of intersection of the forces 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 20 m/sec 15 m/sec 10 m/sec 25 m/sec 20 m/sec 15 m/sec 10 m/sec 25 m/sec 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 Proportional to 1/A² Proportional to A² Independent of A Proportional to A Proportional to 1/A² Proportional to A² Independent of A Proportional to A ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is 4π √(α/θ) 2π √(α/θ) (1/2π) √(α/θ) 2π √(α - θ) 4π √(α/θ) 2π √(α/θ) (1/2π) √(α/θ) 2π √(α - θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be None of these Zero 5 m/sec 10 m/sec None of these Zero 5 m/sec 10 m/sec ANSWER DOWNLOAD EXAMIANS APP
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