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