Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts Zero at its upper end Perpendicular to the wall at its upper end Upwards at its upper end Downwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end Upwards at its upper end Downwards at its upper end 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 √(r² + y²) y = ω √(y - r) v = ω √(y² - r²) v = ω √(r² - y²) v = ω √(r² + y²) y = ω √(y - r) v = ω √(y² - r²) v = ω √(r² - y²) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is 58° 60° 57° 59° 58° 60° 57° 59° 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 Disc with larger density None of these Both discs will have same rotational inertia Disc with smaller density Disc with larger density None of these Both discs will have same rotational inertia ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Support reactions Resultant of horizontal thrust and support reaction Horizontal thrust Half the weight of the cable Support reactions Resultant of horizontal thrust and support reaction Horizontal thrust Half the weight of the cable ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be 45° 30° 75° 60° 45° 30° 75° 60° ANSWER DOWNLOAD EXAMIANS APP