Examkin

Soru

Zorluk: OrtaEffects on Vehicle Handling and Braking

A fully laden passenger car will stop in a shorter distance than an unladen car because the extra weight pushes the tyres more firmly against the road surface.

Cevap: Cevap

Cevap

False. Carrying extra weight increases the vehicle's momentum and kinetic energy, which lengthens the stopping distance rather than shortening it.
The statement is false because additional weight increases the vehicle's momentum and kinetic energy, demanding greater braking effort and distance to bring the vehicle to a complete standstill.

Adım Adım Çözüm

1
Identify the physical forces and dynamics created by added vehicle mass.
Increased passenger and cargo weight raises the vehicle's total momentum and kinetic energy.
Kinetic energy is directly proportional to mass, meaning a heavier vehicle carries significantly more energy that must be dissipated as heat through the brakes.
2
Evaluate the net effect on stopping distances during braking.
The total stopping distance is extended.
Although increased downward force slightly alters tyre contact pressure, it cannot compensate for the greater momentum of the heavier vehicle.

Anahtar Kavram

Impact of Vehicle Payload on Stopping Distances and Momentum
Tahmini Süre:45s
Bu soruyu puanla

Konular

Effects on Vehicle Handling and Braking

Bu konudan daha fazla soru