AP Physics 1
2.7 Kinetic and Static Friction
2.5 Newton’s Second Law
2.2 Forces and Free-Body Diagrams
1.2 Displacement, Velocity, and Acceleration
Multi-Unit
An object of unknown mass is acted upon by multiple forces: 100\,\text{N} to the right at 20^\circ above the horizontal 400\,\text{N} to the left at…
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