Applied Mechanics Questions

• The unit of moments in M.K.S system, is
• The velocity ratio of an inclined plane of inclination θ with horizontal for lifting a load is
• Periodic time of body moving with simple harmonic motion, is
• Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by
• A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be
• A point subjected to a number of forces will be in equilibrium, if
• The centre of gravity of a plane lamina will not be at its geometrical centre if it is a
• The moment of intertia of a circular lamina of diameter d, about an axis perpendicular to the plane of the lamina and passing through its centre, is
• The load shared by the member BC of the structure shown in below figure is
• If the resultant of two forces P and Q acting at an angle θ makes an angle α with P, then tan α equals
• If l is the span of a light suspension bridge whose each cable carries total weight (w) and the central dip is y, the horizontal pull at each support, is
• The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is
• A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be
• M.I. of solid sphere, is
• The direction of projection should bisect the angle between the inclined plane and the vertical for a range of a projectile on inclined plane
• The rotational velocity of a satellite is increased by 450 m per second if its launch is done from equator
• The centre of gravity of a quadrant of a circle lies along its central radius at a distance of
• The unit of impulse, is
• A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is
• The motion of a particle moving with S.H.M. from an extremity to the other, constitutes