Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.6 0.7 0.65 0.75 0.6 0.7 0.65 0.75 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 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 Q sin θ/P + Q sin θ P sin θ/P + Q tan θ P sin θ/P - Q cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is 0.33 0.57 0.44 0.67 0.33 0.57 0.44 0.67 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is ½ l 2/√3 l l/√2 ¾ l ½ l 2/√3 l l/√2 ¾ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A retarding force on a body does not Introduce the motion of the body Change the motion of the body None of these Retard the motion of the body Introduce the motion of the body Change the motion of the body None of these Retard the motion of the body 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) 2π √(α/θ) (1/2π) √(α/θ) 4π √(α/θ) 2π √(α - θ) 2π √(α/θ) (1/2π) √(α/θ) ANSWER DOWNLOAD EXAMIANS APP
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