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Question: Answered & Verified by Expert
A wheel of a bullock cart is rolling on a level road as shown in the figure below. If its linear speed is $v$ in the direction shown, which one of the following options is correct ( $P$ and $Q$ are any highest and lowest points on the wheel, respectively)?

PhysicsRotational MotionNEETNEET 2024
Options:
  • A Point $P$ moves faster than point $Q$
  • B Both the points $P$ and $Q$ move with equal speed
  • C Point $P$ has zero speed
  • D Point $P$ moves slower than point $Q$
Solution:
2727 Upvotes Verified Answer
The correct answer is: Point $P$ moves faster than point $Q$
In the case of pure rolling,


The topmost point will have velocity $2 v$ while point $Q$ i.e. lowest point will have zero velocity. Hence point $P$ moves faster than point $Q$.

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