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Wednesday, 15 April 2026
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Physics Past Questions and Answers

Topic: Conditions for equilibrium of rigid bodies under the action of parallel and non-parallel forces

Jamb Physics Questions - Conditions for equilibrium of rigid bodies under the action of parallel and non-parallel forces

Question 1:
a body is acted upon by forces applied at points P and Q as shown above their resultant is equal to
  • A 2√5N in adirection N 56â—¦ E
  • B 2√5N in adirection N 56â—¦ W
  • C 2√13N in adirection N 56â—¦ E
  • D 2√13N in adirection N 56â—¦ W
  • E √10N in adirection N 56â—¦ E
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Question 2:
A constant force of 40N acting on a body initially at rest gives an acceleration of 0.1ms-2 for 4s. Calculate the work done by the force
  • A 8J
  • B 10J
  • C 32J
  • D 160J
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Question 3:
Which of the following statements are correct about an object in equilibrium under parallel forces? i. the total clockwise moments of the forces about any point equals the total anti-clockwise moments about the same point. ii. the total forces in one direction equals the total forces in the opposite direction. iii. the resolved components along the x-axis equals the resolved components along the y-axis.
  • A I and ii only
  • B I and iii only
  • C Ii and iii
  • D I, ii, and iii only
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Question 4:
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
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Question 5:
A ball is moving at 18ms-1 in a direction inclined at 60o to the horizontal. The horizontal component to its velocity is
  • A 9√3ms<sup style='font-size: smaller;'>-1</sup> ·
  • B 6√3ms<sup style='font-size: smaller;'>-1</sup> ·
  • C 8√3ms<sup style='font-size: smaller;'>-1</sup> ·
  • D 9ms<sup style='font-size: smaller;'>-1</sup> ·
View Answer & Explanation