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 P sin θ/P - Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is 18.0 J 9.0 J 12.0 J 4.5 J 18.0 J 9.0 J 12.0 J 4.5 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Area of contact only Both (A) and (B) None of these Nature of surfaces only Area of contact only Both (A) and (B) None of these Nature of surfaces only ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to 1/f f 1/f² f² 1/f f 1/f² f² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum The mass of its bob should be quadrupled Its length should be doubled The mass of its bob should be doubled Its length should be quadrupled The mass of its bob should be quadrupled Its length should be doubled The mass of its bob should be doubled Its length should be quadrupled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 5 and 5√3 m/sec 0 and 5 m/sec 5 m/sec and 0 5√3 m/sec and 0 5 and 5√3 m/sec 0 and 5 m/sec 5 m/sec and 0 5√3 m/sec and 0 ANSWER DOWNLOAD EXAMIANS APP
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