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Wednesday, 28 October 2026
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Physics Past Questions and Answers

Jamb 1995 Physics Questions

Question 6:
A uniform rod PQ of length 1m and mass 2kg is pivoted at the end p. If load of 14N is placed at the center of the rod, find the force that should be applied vertically upwards at Q to maintain the rod at equilibrium horizontally [g = 10ms-2]
  • A 68N
  • B 28N
  • C 17N
  • D 7N
View Answer & Explanation
Question 7:
A vehicle of mass m is driven by an engine of power P from rest. Find the minimum time it will take to acquire a speed
  • A \(\frac{mv^2}{t}\)
  • B \(\frac{mv^2}{2t}\)
  • C \(\frac{mv}{t}\)
  • D \(\frac{mv}{2t}\)
View Answer & Explanation
Question 8:
Which of the following statements are TRUE about frictional force? i. it is always a disadvantage ii. it is sometimes a disadvantage iii. it always exist where there is a relative motion of two bodies that are in contact iv. it is sometimes very useful
  • A I, iii only
  • B I, iv only
  • C Ii, iii only
  • D Iii, iv only
View Answer & Explanation
Question 9:
The energy contained in a wire when it extended by 0.02m by a force 500 N is
  • A 5J
  • B 10J
  • C 10<sup style='font-size: smaller;'>3</sup>J
  • D 10<sup style='font-size: smaller;'>4</sup>
View Answer & Explanation
Question 10:
A hydraulic press has a large circular piston of radius 0.8m and a circular plunger of radius 0.2m. A force of 500N is exerted by the plunger. Find the force exerted on the piston
  • A 8000N
  • B 4000N
  • C 2000N
  • D 31N
View Answer & Explanation