Class #9: Safety
Friction
- Engine & Driver
- Transmission
- Air & Vehicle
- Tires & Pavement
- Brakes
- Many other places
- Friction stopes your vehicles
- Friction between the tires ad the ground is called traction
- Traction points need friction to function
- Most vehicles have 4 traction points
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Acceleration
- Acceleration = energy shift
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Tires
- Inflation
- Tread
- Improperly inflated tires   * Reduce traction   * Reduce fuel economy   * Wears out faster
- Tire tread depth   * Check groove indicator   * Do a penny test
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Speed
- Aerodynamic lift
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Vehicle Mechanical Condition
- Suspension components
- Steering system
- Wheel alignment
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Road Surface
- Condition of roadway itself
- Water
- Oil
- Mud
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PSI
- Pounds per square inch
- On tires
- Manuel
- Inside driverâs side of car
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Center of Gravity
- Where the vehicle is balanced
- Taller vehicle have a higher center of gravity
- When a vehicle leans far outside its center the vehicle can skid or roll
- Taller vehicles: Jeeps, SUVs, Vans, etc.
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Air Bags
- Been around since the 1950s
- Uses solid fuel
- Can be in the side, back, and in the wheel (depending on the type of car youâre driving)
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