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Classical Mechanics

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Classical Mechanics

Force

A vector interaction that, when unopposed, alters the state of motion or deforms a physical body.

F = m a = dp/dt N (kg·m/s²)
Classical Mechanics

Frequency (Mechanics)

The number of complete vibrational cycles occurring per unit time.

f = 1 / T = ω / (2π) Hz (s⁻¹)
Classical Mechanics

Friction

A resistive contact force that opposes relative sliding motion or tendency of motion between surfaces.

fs ≤ μs N, fk = μk N N