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A 4 kg block is sliding at a constant velocity of 1.5 m/s on a table, due to the pull of a hanging 0.5 kg

A 4 kg block is sliding at a constant velocity of 1.5 m/s on a table, due to the pull of a hanging 0.5 kg mass as shown to the right. What is the consistent force of friction (Ff) acting between the block and the table?

4 kg 0.5 kg

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