AP Physics 1
2.7 Kinetic and Static Friction
2.5 Newton’s Second Law
2.4 Newton’s First Law
2.2 Forces and Free-Body Diagrams
A \(25.0\,\text{kg}\) block is initially at rest on a horizontal surface. A horizontal force of \(75.0\,\text{N}\) is required to set the block in motion, after which a horizontal force of \(60.0\,\text{N}\) is required to keep the block moving with constant speed.
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