A mass moves in a circle of radius at a constant speed of . What is the centripetal force (in N)?

Answer and explanation

Correct answer: C. 80

  1. Step 1: State the formula for centripetal force required for uniform circular motion: .
  2. Step 2: Substitute given values: mass , speed , and radius : .
  3. Step 3: Evaluate the force: .
Answer
80.

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