Gce Model Questions Vol1 2025 Physics Question 38

Practice objective / multiple choice question 38 from the 2025 Gce Model Questions Vol1 Physics examination.

Gce Model Questions Vol1 2025 Physics Objective / Multiple Choice Medium Difficulty
Question 38 GCE_MODEL_QUESTIONS_VOL1 • 2025 • PHYSICS • objective

In the diagram, three forces act on a point \(O\) in equilibrium. Force \(F_1\) has magnitude \(10\,\text{N}\) and points horizontally to the right (0°). Force \(F_2\) has magnitude \(8\,\text{N}\) and acts at \(120^{\circ}\) measured anticlockwise from the positive \(x\)-axis. Force \(F_3\) acts at \(240^{\circ}\) and its magnitude is unknown. Determine the magnitude of \(F_3\) (give the exact form).

Answer Options

A. 2\sqrt{20} N
B. 2\sqrt{15} N
Correct Answer C. 2\sqrt{21} N
D. 4\sqrt{21} N
Correct Answer
C
Correct Option:
2\sqrt{21} N

About This Question

This is Gce Model Questions Vol1 2025 Physics Question 38. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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