Applied Mechanics and Graphic Statics The velocity of a body fallen from height ‘h’, on reaching the ground is given by v = √(2gh) v = 2gh v = 1/√(2gh) v = 2gh² v = √(2gh) v = 2gh v = 1/√(2gh) v = 2gh² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A retarding force on a body does not Retard the motion of the body Change the motion of the body Introduce the motion of the body None of these Retard the motion of the body Change the motion of the body Introduce the motion of the body None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is 6.28 m/sec 1.57 m/sec 1.00 m/sec 3.14 m/sec 6.28 m/sec 1.57 m/sec 1.00 m/sec 3.14 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first? Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom Sphere with lesser rotational energy at bottom than cylinder Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom Sphere with lesser rotational energy at bottom than cylinder ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’, is P² + Q² + 2P sin θ P² + Q² + 2PQ tan θ P² + Q² + 2PQ cos θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2P sin θ P² + Q² + 2PQ tan θ P² + Q² + 2PQ cos θ √(P² + Q² + 2PQ cos θ) ANSWER DOWNLOAD EXAMIANS APP
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