Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration Elsewhere At the start As it strikes the ground At the top of the trajectory Elsewhere At the start As it strikes the ground At the top of the trajectory ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is 1/3 3 4 1/4 1/3 3 4 1/4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then, P = R Q = R None of these P = Q P = R Q = R None of these P = Q ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-third of the total height above base None of these One-fourth of the total height above base One-half of the total height above base One-third of the total height above base None of these One-fourth of the total height above base One-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angles between two forces to make their resultant a minimum and a maximum respectively are 90° and 180° 0° and 90° 180° and 90° 180° and 0° 90° and 180° 0° and 90° 180° and 90° 180° and 0° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is 0.5 m/sec² 1.00 m/sec² 1.25 m/sec² 0.75 m/sec² 0.5 m/sec² 1.00 m/sec² 1.25 m/sec² 0.75 m/sec² ANSWER DOWNLOAD EXAMIANS APP
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