QQuestionPhysics
QuestionPhysics
What makes stopping quickly in a curve more difficult?
A. The road surface is more slippery
B. Only the rear brake can be used
C. Wheels are more likely to lock
D. Some traction is needed for cornering
12 months agoReport content
Answer
Full Solution Locked
Sign in to view the complete step-by-step solution and unlock all study resources.
Step 1:Let's solve this problem step by step:
Step 2:: Understand the Physics of Cornering and Braking
When a vehicle is in a curve, several factors make stopping quickly more challenging: - The vehicle is already experiencing lateral (side) forces due to the turning motion - Traction is being used simultaneously for both turning and potential braking - The available friction between the tires and road is being divided between cornering and stopping
Step 3:: Analyze the Traction Requirement
During a curve, some of the tire's traction is already being used to maintain the turning motion. This means less traction is available for braking, which increases the difficulty of stopping quickly.
Step 4:: Examine the Wheel Lock Potential
When braking in a curve, wheels are more likely to lock up because: - The lateral forces are already stressing the tire's grip - Less total traction is available for braking - Sudden or hard braking can cause the wheels to lose traction more easily
Step 5:: Evaluate the Options
A. Road surface slipperiness - While important, this is not the primary issue in a curve B. Rear brake only - This is not a universal constraint C. Wheels are more likely to lock - This directly addresses the traction challenge D. Traction needed for cornering - This hints at the underlying physics but is not the most precise answer
Final Answer
Wheels are more likely to lock when braking in a curve due to reduced available traction and the simultaneous lateral forces acting on the tires.
Need Help with Homework?
Stuck on a difficult problem? We've got you covered:
- Post your question or upload an image
- Get instant step-by-step solutions
- Learn from our AI and community of students