Automotive
Speed from skid marks
Estimates initial speed from skid-mark length, friction, final speed, and road grade.
Related calculators
Speed from multiple braking segments
Estimates initial speed from v0^2 = vf^2 + 2 * sum(a_i d_i) for segments with different friction and grades.
Braking distance from speed and grade
Solves braking distance for locked wheels from initial speed, final speed, friction, and road grade.
Front/rear braking force distribution
Splits total braking force between front and rear axles by a specified front share.
Brake friction force from normal force and friction coefficient
Calculates friction force from normal force and friction coefficient.
Brake friction torque from friction force and effective radius
Calculates brake friction torque from friction force and effective radius.
Braking deceleration from force and mass
Calculates theoretical braking deceleration from total braking force and vehicle mass.