Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be ½ cos α ½ sin α ½ tan α 2 cos α ½ cos α ½ sin α ½ tan α 2 cos α ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 3 4 2 5 3 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 400 J 200 J 150 J 50 J 400 J 200 J 150 J 50 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of Moment of Inertia of a body, is m³ m m² m⁴ m³ m m² m⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A solid cylinder of mass M and radius R rolls down an inclined plane without slipping. The acceleration of center of mass of rolling cylinder is (where ‘g’ is acceleration due to gravity and 0 is inclination of plane with horizontal.) g sin 9 (2/3) g cos 9 (1/3) g sinB (2/3) g sin 0 g sin 9 (2/3) g cos 9 (1/3) g sinB (2/3) g sin 0 ANSWER DOWNLOAD EXAMIANS APP
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