25301. If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is
25302. The shape of a suspended cable under its own weight, is
25303. Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is
25304. The characteristic of a couple, is :
25305. 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
25306. Equation of motion of a point in a straight line, is
25307. 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
25308. 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
25309. The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is
25310. In India, the Public Sector is most dominant in?
25311. For a simple pendulum, the period of one oscillation is
25312. 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
25313. The angle of friction is :
25314. 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 :
25315. 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
25316. 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
25317. Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and
25318. All of the following were contemporaries of Emperor Akbar, except?
25319. For perfectly elastic bodies, the value of coefficient of restitution is
25320. Who among the following gave a detailed account of Nalanda University?
25321. The reaction RB of the roller support B of the beam shown in below figure is
25322. 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
25323. 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
25324. Find out the error?
25325. 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
25326. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to
25327. Some people cry ......... democracy .?
25328. 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
25329. 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
25330. 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,
25331. For a simple pendulum, time period for a beat, is
25332. The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is
25333. The apparent weight of a man in a moving lift is less than his real weight when it is going down with
25334. P is the force acting on a body whose mass is m and acceleration is f. The equation P - mf = 0, is known as
25335. Newtons's Law of Motion is :
25336. The member which does not carry zero force in the structure shown in below figure, is
25337. The equation of motion of a particle starting from rest along a straight line is x = t3 - 3l2 + 5. The ratio of the velocities after 5 sec and 3 sec will be
25338. The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is
25339. The height at which the end of a rope of length l should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is
25340. The resultant of two forces acting at right angles is 34 kg and acting at 60° is 70 kg. The forces are
25341. The velocity of a body fallen from height h, on reaching the ground is given by
25342. Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is
25343. μ is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is
25344. The necessary condition of equilibrium of a body, is :
25345. A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is
25346. Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is
25347. A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is
25348. Who bagged the Best Boxer Award at the 44th Youth Men National Boxing Championship?
25349. If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be
25350. A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is