Mathematics · Mechanics
A block P of mass 2 kg is placed on a rough horizontal surface with a coefficient of static friction μs = 0.4. If a horizontal force F is applied to just prevent it from moving under an external towing force of 16 N in the opposite direction, or to maintain equilibrium, what should the magnitude of force F be to keep the block at rest if the minimum force required to balance the opposing 16 N force is considered?
- 110 N
- 28 N✓
- 36 N
- 45 N
Correct answer
8 N
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