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Question

Difficulty: EasySpeed and Road Conditions

When approaching a curve on a roadway, a commercial driver should reduce the vehicle's speed before entering the curve rather than braking while turning.

Answer: Answer

Answer

True
The statement is correct because braking before entering a curve ensures that tire traction is dedicated entirely to steering through the turn, preventing loss of vehicle control.

Step-by-Step Solution

1
Analyze the physical forces involved in negotiating a curve.
Tires require traction to both steer the vehicle along the arc and provide braking friction.
Tire grip is limited by road and load conditions, and dividing traction between heavy braking and cornering increases skid risk.
2
Evaluate the standard commercial driving rule for curve speed management.
Commercial drivers must slow down to a safe speed prior to entering the curve.
Entering at a safe speed eliminates the need to apply hard braking during the turn.
3
Determine the truth value of the statement.
The statement accurately reflects commercial vehicle safety guidelines.
Adjusting speed before curve entry preserves vehicle stability and prevents loss of control.

Key Concept

Speed adjustment before entering curves to preserve traction and vehicle stability
Estimated Time:45s
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Topics

Speed and Road Conditions

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