Physics 2014 (Jamb)

1. A quantity which requires magnitude and direction to be specified is


2. Which type of motion do the wheels of a moving car undergo?


3. A wheel and axle is used to raise a load whose weight is 800N when an effort of 250N is applied. If the radii of the wheel and axle are 800mm and 200mm respectively, the efficiency of the machine is


4. The small droplets of water that form on the grass in the early hours of the morning is


5. A force of 500N is applied to a steel wire of cross sectional area 0.2m2, the tensile stress is


6. A machine whose efficiency is 75% is used to lift a load of 100N. Calculate the effort put into the machine if it has a velocity ratio of 4


7. A glass bottle of initial volume 2 x 104cm3 is heated from 20oC to 50oC. If the linear expansivity of glass is 9 x10-6K-1, the volume of the bottle at 50oC is


8. One of the conditions necessary for an object to be in equilibrium when acted upon by a number parallel forces is that the vector sum of the forces is


9. The energy in the nucleus of atoms produce heat which can be used to generate



From the diagram below, the point that represents the elastic limit is N
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11. A car accelerates uniformly from rest at 3ms-2, its velocity after traveling a distance of 24m is


12. An object of mass 20kg is released from a height of 10m above the ground level. The Kinetic energy of the object just before it hits the ground is


13. Calculate the escape velocity of a satelite launched from earth’s surface if the radius of the earth is 6.4 x 106m. [g = 10ms-2]



Question Paper Type: L
Which Question Paper Type of Physics is given to you?


From the diagram below, the region of zero acceleration is
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16. What is the equivalent of 20k in Celsius scale?


17. What is the least possible error encountered when taking measurement with a meter rule?


18. An object of weight 80N on earth is taken to a planet where the acceleration due to gravity is one third of its value on earth. The weight of the object on the planet is? [g = 10ms-2]


19. What happens when three coplanar non-parallel forces are in equilibrium?


20. I. Electrical potential
II. Torque
III. Kinetic energy
IV. Momentum

Which of the quantities listed above are vectors?


Question 1 of 20

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