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Sunday, 21 June 2026
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Physics Past Questions and Answers

Topic: Centre of gravity and stability

Jamb Physics Questions - Centre of gravity and stability

Question 1:
fig 10 shows a see-saw which is perfectly in balance, the weighs of the people sitting on it are 50kg, xkg and 15kg as shown, the sit at distances of 1.5, 1.5 and 2m from the pivot respectively. The vale of X is
  • A 30
  • B 35
  • C 70
  • D 24.25
  • E Impossible to find
View Answer & Explanation
Question 2:
Which of the following is in a neutral equilibrium?
  • A A heavy weight suspended on a string
  • B A cone resting on its slant edge
  • C A heavy-based table lamp
  • D The beam of a balance in use
View Answer & Explanation
Question 3:
A cone in an unstable equilibrium has its potential energy
  • A Decreased
  • B Increased
  • C Unchanged
  • D Oscillating
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Question 4:
The diagram above shows a solid figure with base PQ and center of gravity G on a inclined plane. Which of the following statements is correct
  • A The solid will fall over if the vertical line through G lies outside the base
  • B The solid will fall over if the vertical line through lies inside the base
  • C The solid will not fall over if the vertical line through G lies outside the base
  • D The solid can never fall over
View Answer & Explanation
Question 5:
In the diagram above, the values of V1 and V2 are respectively
  • A 1V and <sup style='font-size: smaller;'>1</sup>/<sub style='font-size: smaller;'>3</sub>V
  • B <sup style='font-size: smaller;'>1</sup>/<sub style='font-size: smaller;'>3</sub>V and 1V
  • C <sup style='font-size: smaller;'>1</sup>/<sub style='font-size: smaller;'>3</sub>V and <sup style='font-size: smaller;'>2</sup>/<sub style='font-size: smaller;'>3</sub>V
  • D 1V and <sup style='font-size: smaller;'>2</sup>/<sub style='font-size: smaller;'>3</sub>V
View Answer & Explanation