chapter five natural laws and car control 5.1 …€¦ · 5.3 stopping distance 5.4 controlling the...
TRANSCRIPT
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CHAPTER FIVE
NATURAL LAWS AND CAR CONTROL
5.1 GRAVITY AND ENERGY OF MOTION
5.2 FRICTION AND TRACTION
5.3 STOPPING DISTANCE
5.4 CONTROLLING THE FORCES OF IMPACT
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GOOD FOR WHOM?
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DID YOU EVER NOTICE THAT ANYONE
DRIVING SLOWER THAN YOU IS AN
IDIOT AND ANYONE DRIVING FASTER
THAN YOU IS A MANIAC?
George Carlin, Comedian
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HERE IS ONE WAY YOU CAN TELL
YOU MAY BE GOING TOO FAST
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WOULDN’T IT BE NICE IF YOUR DOG
GETTING STUCK IN THE SEAT OF
YOUR CAR WAS THE WORST THING
THAT HAPPENED BECAUSE YOU
DROVE TOO FAST?
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UNFORTUNATELY, THERE ARE OTHER
CONSEQUENCES TO SPEEDING
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WHAT ARE THE THREE MOST
IMPORTANT FACTORS IN
CONTROLLING YOUR
VEHICLE?
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1. SPEED
2. SPEED
3. SPEED
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WATCH THIS VIDEO, DRIVE IT RIGHT,
ABOUT SPEEDING PRODUCED BY
ALLSTATE INSURANCE AND THE
DISCOVERY CHANNEL
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Newton’s law
of motion
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Full face of the tire
tread is touching
the road surface
Only the outer
edges of the tread
are touching the
road surface
Only the center of
the tread is touching
the road surface
Good handling.
Good, long term
wear is possible
Poor handling due
to side wall flexing.
Vehicle will sway.
Poor tire wear. Tire
will wear on edges
and tire will run hot
Poor handling and
will take longer to
stop due to decrease
in traction. Poor tire
wear. Tire will wear in
the center of the tread
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• ing
BE A SMART DRIVER
KNOW THE CAPABILITIES
OF THE VEHICLE YOU ARE
DRIVING
Braking while turning
causes split traction.
Some traction Is used
for turning and some is
used for stopping making
it harder to stop and
control your vehicle
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The question no one asks about a
new car
• NICE CAR
• JUST GET IT?
• HIGH PERFORMANCE ENGINE?
• DUAL EXHAUSTS?
• HOW FAST WILL IT…………………..?
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STOP?
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FOUR
SECOND
RULE
TWO
SECONDS
IS MINIMUM
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What is going
on up ahead?
Reaction time is
about ¾ of a
second
Braking or stopping
distance varies
based on a variety
of factors
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