Applied Mechanics and Graphic Statics If the angular distance, 0 = 2t³ ‑ 3t², the angular acceleration at t = 1 sec. is 6 rad/sec² 12 rad/sec² 4 rad/sec² 1 rad/sec² 6 rad/sec² 12 rad/sec² 4 rad/sec² 1 rad/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In simple harmonic motion, acceleration of a particle is proportional to Displacement Velocity Direction Rate of change of velocity Displacement Velocity Direction Rate of change of velocity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is (a² + ab + c²)/3 (a + c) None of these (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) None of these (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 5√3 m/sec and 0 5 m/sec and 0 0 and 5 m/sec 5 and 5√3 m/sec 5√3 m/sec and 0 5 m/sec and 0 0 and 5 m/sec 5 and 5√3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be 1/2 T 3 T √2 T 2 T 1/2 T 3 T √2 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The units of inertia of mass are kg-m² kg/m² m⁴ kg/m kg-m² kg/m² m⁴ kg/m ANSWER DOWNLOAD EXAMIANS APP
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