Physics Quiz
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MOTION AND STABILITY
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A 12 kg12\,\text{kg} crate is pulled across a horizontal floor at constant velocity. The pulling force is Fapp=50 NF_{\text{app}}=50\,\text{N} to the right (→). The crate experiences kinetic friction FfF_f to the left (←), weight FgF_g downward (↓), and normal force FNF_N upward (↑). Based on this situation, what is the magnitude of the friction force FfF_f acting on the crate?
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