Q. If α and u are the angle of projection and initial velocity of a projectile respectively, the horizontal range of the projectile, is

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Q. The ratio of the reactions RA and RB of a simply supported beam shown in below figure is

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Q. The distance of the c.g. of a semi-circular arc of radius r from its diameter along the radius of symmetry, is

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Q. The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be

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Q. M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is

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Q. Pick up the correct statement from the following for the structure shown in below figure.

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Q. When a body of mass M1 is hanging freely and an other of mass M2 lying on a smooth inclined plane(α) are connected by a light indextensible string passing over a smooth pulley, the acceleration of the body of mass M1, will be given by

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Q. The velocity ratio of the differential wheel and axle is

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Q. The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is

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Q. For the system of the loads shown in below figure, the time required for the 6.6 kg load to fall on the edge, is

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Q. If two bodies of masses M1 and M2 (M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by

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Q. For a simple pendulum, the period of one oscillation is

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Q. 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

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Q. A square hole is made in a circular lamina, the diagonal of the square is equal to the radius of the circle as shown in below figure the shift in the centre of gravity is

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Q. Time of flight of a projectile on a horizontal plane, is

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Q. The reaction RB of the roller support B of the beam shown in below figure is

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Q. If G is the Gauge of track, v is velocity of the moving vehicle, g is the acceleration due to gravity and r is the radius of a circular path, the required super elevation is

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Q. If v and ω are linear and angular velocities, the centripetal acceleration of a moving body along the circular path of radius r, will be

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Q. The c.g. of the shaded area of the below figure from the x-axis is

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Q. For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is

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