39951. M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is
39952. Pick up the correct statement from the following for the structure shown in below figure.
39953. A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is
39954. According to Law of Triangle of Forces
39955. A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length
39956. The following is not a law of static friction :
39957. The velocity of a moving body, is
39958. A spring scale in a stationary lift shows a reading of 60 kg for a man standing on it. If the lift starts descending at an acceleration of g/5, the scale reading would be
39959. The resolved part of the resultant of two forces inclined at an angle θ in a given direction is
39960. The following statement is one of the laws of Dynamic friction
39961. A 50 kg boy climbs up a 8 m rope in gymnasiam in 10 sec. The average power developed by the boy is approximately
39962. Lami's theroem states that
39963. Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,
39964. If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along
39965. For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is
39966. Power can be expressed as
39967. If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is
39968. If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called
39969. The units of moment of inertia of an area, are
39970. To avoid bending action at the base of a pier,
39971. For a body moving with simple harmonic motion, the number of cycles per second, is known as its
39972. If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is
39973. The shape of a suspended cable under its own weight, is
39974. Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is
39975. The characteristic of a couple, is :
39976. Ball A of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball B on the table. If the impact is perfectly elastic, the velocity of the ball B just after impact would be
39977. Equation of motion of a point in a straight line, is
39978. 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
39979. One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is
39980. The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is
39981. For a simple pendulum, the period of one oscillation is
39982. A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is
39983. The angle of friction is :
39984. The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are :
39985. 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
39986. The motion of a particle is described by the relation x = t2- 10t + 30, where x is in metres and t in seconds. The total distance travelled by the particle from t = 0 to t = 10 seconds would be
39987. Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and
39988. For perfectly elastic bodies, the value of coefficient of restitution is
39989. The reaction RB of the roller support B of the beam shown in below figure is
39990. The acceleration of a train starting from rest at any instant is where V is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of
39991. The maximum frictional force which comes into play, when a body just begins to slide over the surface of a an other body, is known
39992. 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
39993. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to
39994. Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30° and 45° respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is
39995. 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
39996. A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,
39997. For a simple pendulum, time period for a beat, is
39998. The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is
39999. The apparent weight of a man in a moving lift is less than his real weight when it is going down with
40000. P is the force acting on a body whose mass is m and acceleration is f. The equation P - mf = 0, is known as
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