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Question: Answered & Verified by Expert
Assertion : A horse has to pull a cart harder during the first few steps of his motion.
Reason : The first few steps are always difficult.
PhysicsLaws of MotionAIIMSAIIMS 2010
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion
  • B If both assertion and reason are true but reason is not the correct explanation of assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
2315 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false
In the first few steps, work has to be done against limiting friction and afterwards, work is to be done against dynamic friction, which is smaller than the limiting friction.

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