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Mathematics, 18.03.2021 20:00 59279

Block B, which has a mass of 45 kg, is moving at a constant velocity across a flat surface. As shown in the diagram, it is being pulled forward by a force of 100 N. What is the magnitude of the force represented by the left-pointing arrow in the diagram?

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Block B, which has a mass of 45 kg, is moving at a constant velocity across a flat surface. As shown...
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