Physics - Kinematics Question with Solution | TestHub
PhysicsKinematics1-DMedium2 minQB
PhysicsMediumsingle choice
The speedometer of a car is correctly calibrated for tyres of a specific size. If tyres of larger diameter are fitted and the car is driven at the same true speed, the speedometer reading will be:
Options:
Answer:
B
Solution:
The speedometer infers speed from the rotation rate of the wheels, . With a larger the wheels rotate more slowly for the same true speed, so the speedometer reads low. Option B.
Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:1-D
⏱ 2mℹ️ Source: QB
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