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BRAKING METHOD
BASIC PRINCIPLE OF BRAKE (FRICTION FORCE)
°‹
Vehic le is br aked using fric tion between road surfa ce and
tires.
°‹
B ra king distanc e inc re ase s 1.5 tim es on wet roa d a nd 3
time s on icy road because f ric tion force of r oad surfa ce is
decreased.
NEW TIRE
NEW TIRE IN A
RAINY DAY
E X I S T I N G
TIRE IN A
RAINY DAY
50
RESTRAINT OF BRAKE EFFECT (INERTIA)
Due to the iner tia, vehic le does not stop imm edia tel y af te r
applying the brake.