Drivers Ed Chapter 9 Quiz & Flashcards on Stopping Distance

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Questions and Answers

What is gravity?

The force that pulls vehicles toward the earth.

What is friction?

The gripping action that keeps tires from slipping.

What is a passive restraint device?

A restraint device (air bag) that works automatically and the occupant does not need to fasten.

What is traction?

The friction which allows tires to grip the roadway. Signup and view all the answers

What is tread?

The grooved surface of a tire, grips the roadway. Signup and view all the answers

What is an active restraint device?

A safety belt that a vehicle's occupant must adjust. Signup and view all the answers

What is a banked curve?

A curve that is higher on the outside. Signup and view all the answers

What is the force of impact?

The force with which one moving object hits another object. Signup and view all the answers

What is a blowout?

A sudden loss of air pressure in the tire. Signup and view all the answers

What is energy of motion?

When an object moves, it uses kinetic energy. Signup and view all the answers

What is the center of gravity?

A point around which an object's weight is evenly distributed. Signup and view all the answers

What is a restraint device?

Any part of a vehicle that holds an occupant in a collision. Signup and view all the answers

What is total stopping distance?

The distance your vehicle travels while stopping. Signup and view all the answers

What is perception time?

The length of time it takes you to identify, predict, and decide to slow for a hazard. Signup and view all the answers

What is perception distance?

The distance traveled while you identify a situation. Signup and view all the answers

What is reaction time?

The length of time you take to execute your action in response to a hazard after you identify it. Signup and view all the answers

What is braking distance?

The distance your vehicle travels from the time you apply the brakes until your vehicle stops. Signup and view all the answers

What is reaction distance?

The distance your vehicle travels while you identify and react to a hazard. Signup and view all the answers

Study Notes

Vehicle Dynamics and Safety Concepts

Gravity: A fundamental force that pulls vehicles toward the Earth, influencing their stability and handling.
Friction: The critical gripping action necessary for tires to maintain contact with the road, preventing slippage during driving.
Passive Restraint Device: A safety feature like an airbag that activates automatically in a crash, requiring no manual action from the occupant.
Traction: The essential friction between tires and the roadway that enables vehicles to accelerate, brake, and maneuver effectively.
Tread: The textured surface of tires designed to provide grip on the road, affecting both traction and overall vehicle safety.
Active Restraint Device: A manually adjustable safety belt that the occupant must fasten for protection during a collision.
Banked Curve: A type of roadway curve that rises higher on the outside, helping vehicles maintain speed and stability through turns.
Force of Impact: The amount of force generated when one moving object collides with another, crucial in understanding crash dynamics.
Blowout: A dangerous situation caused by tire wear, leading to a sudden loss of air pressure, which can result in loss of control.
Energy of Motion: Refers to kinetic energy, the energy an object possesses due to its movement, essential in understanding vehicle dynamics.
Center of Gravity: The point within a vehicle where its weight is evenly distributed, influencing handling and rollover risk.
Restraint Device: Any system designed to keep occupants secured in their seats during a collision, enhancing safety.
Total Stopping Distance: The comprehensive distance a vehicle travels from the moment the brakes are applied until it comes to a complete stop.
Perception Time: The initial phase of driver response, where time is taken to identify and assess a hazard before reacting.
Perception Distance: The physical distance covered while a driver is processing and identifying a potential driving hazard.
Reaction Time: The duration it takes a driver to execute the braking or maneuvering action after identifying a hazard.
Braking Distance: The distance traveled from the moment brakes are applied until the vehicle achieves a complete stop, impacted by speed and road conditions.
Reaction Distance: The distance a vehicle travels while a driver identifies a hazard and begins to react, a critical factor in overall stopping distance.

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Description

Test your knowledge of key concepts from Chapter 9 of Drivers Ed with these flashcards. Topics include essential terms like gravity, friction, and passive restraint devices that are crucial for understanding vehicle dynamics. Perfect for exam preparation and enhancing your driving knowledge.