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AP Physics 1
The critical angle is the steepest angle at which an object on an inclined plane will remain stationary before sliding down due to gravity.
Inclined Plane: A flat surface that is tilted or slanted at an angle.
Gravity: The force that pulls objects towards each other, such as keeping us rooted on Earth.
Equilibrium: A state where all forces acting on an object are balanced, resulting in no acceleration.