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- Subject
- Strength of Materialscivil-engineering-mcqs › strength-of-materials
- Published
- 15 Jan 2019
- Last updated
- 28 May 2026
Explanation
To find the resultant couple, calculate the moments of each force by multiplying force and arm length, considering their directions. Summing these moments yields the net moment. Dividing this net moment by the resultant arm length (0.5 m) gives the magnitude of the resultant force. The sign of the net moment indicates the direction. Performing these calculations results in a 20 kg force in the negative direction.
More Strength of Materials MCQs
Practice related questions from the same subject.
- 1.In a third-class lever, how are the positions of the load (W), effort (P), and fulcrum (F) arranged?
- 2.What is the standard SI unit used to measure work or energy?
- 3.Identify the option that is not a unit used to measure pressure.
- 4.What is the term for forces that intersect at a single point but whose lines of action are not confined to the same plane?
- 5.Identify the quantity below that is not classified as a scalar.
- 6.Two forces act at different angles and produce different resultant magnitudes: when perpendicular, their resultant is √10 kg, and when the angle between them is 60°, the resultant measures √13 kg. What are the magnitudes of these two forces?
- 7.What is formed when two equal, parallel forces act in opposite directions but are not along the same line?
- 8.What does the law of the triangle of forces state?
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