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    Question

    A body is thrown vertically upward. At the highest

    point of its motion, which of the following is true?
    A Both velocity and acceleration are zero Correct Answer Incorrect Answer
    B Acceleration is zero but velocity is non-zero Correct Answer Incorrect Answer
    C Velocity is zero but acceleration is non-zero Correct Answer Incorrect Answer
    D Both velocity and acceleration are non-zero Correct Answer Incorrect Answer

    Solution

    When a body is thrown vertically upward, it moves against gravity, gradually slowing down due to the constant downward acceleration caused by gravity (g). As it rises, its upward velocity decreases until it reaches zero at the highest point. This is the turning point where the object changes direction from upward to downward. However, acceleration due to gravity continues to act throughout the motion , including at the peak, pulling the object downward with a magnitude of approximately 9.8 m/s². Therefore, at the highest point, the body has zero instantaneous velocity but non-zero acceleration (equal to g downward), which causes it to begin descending right after.

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