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NDA 1 2024 GAT, question 124

Topic: Physics

Q124

If the block PP as shown in the figure below were to be at rest, what should the magnitude of force FF be ?

Figure for Q124

  1. (a) 5 N5\text{ N}
  2. (b) 6 N6\text{ N}
  3. (c) 8 N8\text{ N}Correct answer
  4. (d) 10 N10\text{ N}

Solution.

Answer: (c) 8 N8\text{ N}

  1. The diagram shows 10 N and 15 N to the left, and 2 N, 15 N and F to the right.
  2. Equilibrium requires 25 = 17 + F, so F = 8 N.