Engineering Board Exam Reviewer · Physics · medium
A 1000 kg car rounds a flat curve of radius 50 m at 20 m/s. What centripetal force is required?
- 400 N
- 20000000 N
- 8000 N
- 4000 N
Answer
C. 8000 N
Solution
F = mv2/r = 1000(400)/50 = 8000 N.
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