Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is None of these —rad/sec 20 —rad/sec 10 —rad/sec 30 None of these —rad/sec 20 —rad/sec 10 —rad/sec 30 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton force, is 10⁵ dynes 10³ dynes 10⁴ dynes 10⁶ dynes 10⁵ dynes 10³ dynes 10⁴ dynes 10⁶ dynes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act At the centre of gravity of the body On the periphery of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force At the centre of gravity of the body On the periphery of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will Never meet Meet after 5 sec Meet after 1 sec Meet after 10 sec Never meet Meet after 5 sec Meet after 1 sec Meet after 10 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then i. a force is required to move the body upwards ii. a force is required to move the body downward iii. the body will not be in equilibrium The correct answer is only (i) only (ii) both (i) and (iii) both (i) and (ii) only (i) only (ii) both (i) and (iii) both (i) and (ii) 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 m/sec and 0 0 and 5 m/sec 5√3 m/sec and 0 5 and 5√3 m/sec 5 m/sec and 0 0 and 5 m/sec 5√3 m/sec and 0 5 and 5√3 m/sec ANSWER DOWNLOAD EXAMIANS APP