Q. If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by

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Q. 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 efficiency of the lifting machine is

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Q. A string of length 90 cm is fastened to two points A and B at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force P is applied to the ring such that it is in equilibrium vertically below B. The value of P is :

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Q. 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

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Q. Equation of motion of a point in a straight line, is

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Q. 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

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Q. The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is

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Q. A body is said to move with Simple Harmonic Motion if its acceleration, is

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Q. 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 reaction between the sphere and the wall of the arrangement made is

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Q. Which one of the following laws is not applicable to a simple pendulum ?

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Q. Effect of a force on a body depends upon its

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Q. For a body moving with simple harmonic motion, the number of cycles per second, is known as its

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Q. If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is

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Q. The shape of a suspended cable under its own weight, is

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Q. Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is

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Q. The characteristic of a couple, is :

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Q. If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

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Q. 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

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Q. The units of moment of inertia of an area, are

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Q. To avoid bending action at the base of a pier,

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