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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Equilibrium of Forces

Jamb Physics Questions - Equilibrium of Forces

Question 16:
A body of weight W N rest on a smooth plane inclined at an angle\(\theta\)o to the horizontal. What is the resolved part of the weight in Newtons along the plane?
  • A W sin\(\theta\)
  • B W cos\(\theta\)
  • C W sec\(\theta\)
  • D W tan\(\theta\)
View Answer & Explanation
Question 17:
Find the tension T1 in the diagram above if the system is in equilibrium
[G = 10ms-2]
  • A 200/√3N
  • B 100/√3N
  • C 300/√3N
  • D 100N
View Answer & Explanation
Question 18:
A uniform light rod is kept in horizontal equilibrium under the influence of fore forces as shown above, which of the following equations correctly represents the condition of equilibrium for the rod
  • A F1 + F2 = F3 + F4
  • B F1 + F2 - F3 + F = 0
  • C (F1 + F2)ab = (F3 + F4)cd
  • D F1a + F2b - F3c - F4d = 0
View Answer & Explanation
Question 19:
The diagram above shows a meter bridge in which two of thee arms contain resistances R and 2Ω. A balance point is obtained at 60cm from the left end , calculate the value of R
  • A 1.2Ω
  • B 1.3Ω
  • C 3.0Ω
  • D 6.0Ω
View Answer & Explanation
Question 20:
A cone in an unstable equilibrium has its potential energy
  • A Decreased
  • B Increased
  • C Unchanged
  • D Oscillating
View Answer & Explanation