The figure represents a ball being swung around with a string. At what position of the ball should the string be released in order for the ball to hit the target?
Correct answer: C. 3
- A. 1
- B. 2
- C. 3
- D. 4
Explanation
The ball moves in a tangential direction when released because the centripetal force is no longer acting on it. At position 3, the tangent is aimed directly at the target, making it the correct release point. Positions 1, 2, and 4 all result in tangents that miss the target due to their misalignment.
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About Scientific Reasoning
Scientific reasoning evaluates hypotheses through observations, variables, controls, measurements and experimental results. Questions involve identifying independent and dependent variables, recognising a fair test, interpreting tables or graphs, distinguishing evidence from opinion, and deciding whether data supports, rejects or leaves a hypothesis unresolved.
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