Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple both may not be zero 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 12.0 J 4.5 J 18.0 J 9.0 J 12.0 J 4.5 J 18.0 J 9.0 J 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 (1/2π) √(α/θ) 2π √(α - θ) 4π √(α/θ) 2π √(α/θ) (1/2π) √(α/θ) 2π √(α - θ) 4π √(α/θ) 2π √(α/θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and Concurrent Parallel None of these Concurrent parallel Concurrent Parallel None of these Concurrent parallel ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.3 0.5 0.55 0.4 0.3 0.5 0.55 0.4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Nature of surfaces only None of these Area of contact only Both (A) and (B) Nature of surfaces only None of these Area of contact only Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP