Copyright Goodheart-Willcox Co., Inc.
Objectives
After studying this chapter, you will be able to:

Describe the various factors that will influence
the way a vehicle will react in a collision.

Identify bends, body lines, and crowns.

Differentiate between direct and indirect
damage.

Explain the bend-versus-kink rule.

Describe the types of collision damage found
on full-frame and unibody vehicles.
inertia damage
kickup
kink
lateral force
longitudinal force
mash
plastic deformation
plasticity
sag
sidesway
simple rolled buckles
surface area of impact
target
twist
upset
vehicle height
work hardening
yield point
C H A P T E R
4
arrowhead
bend
bend-versus-kink rule
body line
buckle
collapsed-hinge buckle
combination crown
crown
dent
diamond
direct damage
elastic deformation
elasticity
force
grains
impact angle
indirect damage
inertia
Technical Terms
Fundamentals of
Collision Damage
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