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Question 13Asked in RRB JE CBT-1, 20 Feb 2026, Shift 1 (9:00 AM)

Suppose a student wants to design an amusement park ride that moves people in a

Suppose a student wants to design an amusement park ride that moves people in a circle at uniform speed. Which concept should the student apply to ensure riders stay safely in their seats during the circular motion?
  1. AIncreasing speed randomly will keep them safe
  2. BGravity alone is sufficient to keep the riders in place
  3. CA constant outward force is needed to keep riders pressed against their seats
  4. DA constant inward (centripetal) force is needed on the riders to keep them in uniform circular motion
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Correct answer: (D) A constant inward (centripetal) force is needed on the riders to keep them in uniform circular motion

From RRB JE CBT-1 PYQ 20 Feb 2026, Shift 1 (9:00 AM)

This is question 13 of RRB JE CBT-1 PYQ 20 Feb 2026, Shift 1 (9:00 AM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.