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Thursday, 29 October 2026
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Physics Past Questions and Answers

Jamb 2004 Physics Questions

Question 26:
In a hydraulic press , a force of 40N is applied on the effort piston of area 0.4m2. If the force exerted on the load piston is 400N, the area of the large piston is
  • A 4m<sup style='font-size: smaller;'>2</sup>
  • B 8m<sup style='font-size: smaller;'>2</sup>
  • C 2m<sup style='font-size: smaller;'>2</sup>
  • D 1m<sup style='font-size: smaller;'>2</sup>
View Answer & Explanation
Question 27:
A 100kg box is pushed along a road with force of 500N. If the box moves with a uniform velocity, the coefficient of friction between the box and the road is
  • A 0.4
  • B 1.0
  • C 0.8
  • D 0.5
View Answer & Explanation
Question 28:
As the pressure of a fluid increases, its viscosity
  • A Decreases
  • B Increases
  • C Increases then decreases
  • D Remains constant
View Answer & Explanation
Question 29:
the diagram above shows forces 4N, 6N, 10N and 8N which act at a point O in the directions indicated. the net horizontal force is
  • A 13N
  • B 17N
  • C √3N
  • D 7√3N
View Answer & Explanation
Question 30:
The earth is four times the size of the moon and the acceleration due to gravity on the earth is 80 times that on the moon. The ratio of the mass of the moon to that of the earth is
  • A 1:80
  • B 1:320
  • C 1:1280
  • D 1:4
View Answer & Explanation