Chapter 9 Natural Laws and Car Control Key

Key Idea This chapter describes how the laws of motion affect the ability of

Gravity and Energy of Motion Terms to Know: Inertia Momentum Energy of Motion (KE

Tires and Traction Friction Traction Besides tires, what is another system in your car

Using Traction Used to brake, accelerate, and steer. Splitting traction between braking and steering

Other Terms to Know Vehicle Balance Center of Gravity What happens if you raise

Forces Effecting Your Control in Curves Sharpness of the curve Speed Load Shape of

Total Stopping Distance 1) Perception Time & Distance What can effect perception time &

Factors That Affect Braking Distance Driver Ability Speed Vehicle Condition Roadway Surface Hills Antilock

Force of Impact Speed Weight Distance Travelled After Impact

Restraint Devices and Other Protective Devices Active Restraint Device Passive Restraint Device Child Safety

For Your Quiz You should be able to: List the four factors that affect

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Chapter 9 Natural Laws and Car Control

Key Idea This chapter describes how the laws of motion affect the ability of drivers to control their vehicle.

Gravity and Energy of Motion Terms to Know: Inertia Momentum Energy of Motion (KE = ½mv 2) Double the weight? Double the Speed? Gravity

Tires and Traction Friction Traction Besides tires, what is another system in your car that uses friction? Tread Purpose of tread? Inflation Underinflation Overinflation

Using Traction Used to brake, accelerate, and steer. Splitting traction between braking and steering can cause loss of control. Ensuring Good Traction Vehicle Condition Road Condition Ideal Setting Driver Action

Other Terms to Know Vehicle Balance Center of Gravity What happens if you raise C. of G. ? Lower C. of G. ? Pitch Roll Yaw These motorcycles are exhibiting which of the following: pitch, roll, or yaw?

Forces Effecting Your Control in Curves Sharpness of the curve Speed Load Shape of the Road Level Crowned Banked

Total Stopping Distance 1) Perception Time & Distance What can effect perception time & distance? 2) Reaction Time & Distance 3) Braking Time & Distance

Factors That Affect Braking Distance Driver Ability Speed Vehicle Condition Roadway Surface Hills Antilock Braking System Weight/Load of the Vehicle

Force of Impact Speed Weight Distance Travelled After Impact

Restraint Devices and Other Protective Devices Active Restraint Device Passive Restraint Device Child Safety Seats Rear facing Forward facing Booster seat Back seat Crush Zones Energy Absorbing Bumpers Side-Impact Panels Penetration. Resistant Windshields Head Restraints

For Your Quiz You should be able to: List the four factors that affect your vehicles control in a curve Explain how center of gravity affects the handling of your car List and explain the three parts of total stopping distance List the factors that affect your braking distance List and explain the three factors involved in Force of Impact Explain how gravity affects your vehicle on a roadway

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