Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be 2P cos θ/2 P tan θ/2 P cos θ/2 2P sin θ/2 2P cos θ/2 P tan θ/2 P cos θ/2 2P sin θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis? Disc with smaller density Both discs will have same rotational inertia None of these Disc with larger density Disc with smaller density Both discs will have same rotational inertia None of these Disc with larger density ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Closed polygon Parallelogram Open polygon Triangle Closed polygon Parallelogram Open polygon Triangle ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a particle moves with a uniform angular velocity ‘ω’ radians/sec along the circumference of a circle of radius ‘r’, the equation for the velocity of the particle, is v = ω √(y² - r²) y = ω √(y - r) v = ω √(r² + y²) v = ω √(r² - y²) v = ω √(y² - r²) y = ω √(y - r) v = ω √(r² + y²) v = ω √(r² - y²) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For perfectly elastic bodies, the value of coefficient of restitution is Zero 0.5 1 Between 0 and 1 Zero 0.5 1 Between 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²) 15 m/sec 25 m/sec 50 m/sec 40 m/sec 15 m/sec 25 m/sec 50 m/sec 40 m/sec ANSWER DOWNLOAD EXAMIANS APP
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