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Newton's Laws & Friction — quick quiz

4 NSEP-pattern questions on Newton's Laws & Friction. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 4

Hard

A block of mass 3 kg rests on a rough inclined plane at angle θ = 30° with the horizontal. The coefficient of static friction is 0.6. A horizontal force F is applied to just prevent the block from sliding down. The magnitude of F is closest to: