forces and motion

forces and motion

unit 3

Formulas for Force and Motion

• speed is distance over time (m/s) s = d / t

• velocity is speed in a direction (m/s with a direction)

• acceleration is velocity over time ( m/s^2) a = v / t

• momentum is mass times velocity ( m^2 / s) p = m v

• force is mass times acceleration ( N ) F = m a

• work is force through a distance (J) W = F d

• GPE = mgh and KE = m v^2 / 2

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