JAMB Physics 2019 Objective — Question 6

Question 6 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2019 Objective paper, with the correct answer and a full explanation.

For a body executing simple harmonic motion, it is true that

A. the velocity is maximum at the equilibrium positionCorrect
B. the acceleration is maximum at the equilibrium position
C. the velocity is minimum at the equilibrium position
D. the acceleration and velocity are both maximum at the equilibrium position

Explanation

Using a=−ω²x and v=ω√(A²−x²): at the equilibrium position (x=0), acceleration is zero while velocity is maximum. At the extreme ends, acceleration is maximum while velocity is zero.

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