A beach ball filled with air is pushed about 1 m below the surface of a swimming pool and released from rest. Which of the following statements are valid, assuming the size of the ball remains the same? 1. As the ball rises in the pool, the buoyant force on it increases. II. When the ball is released, the buoyant force exceeds the gravitational force, and the ball accelerates upward. III. The buoyant force on the ball decreases as the ball approaches the surface of the pool. IV. The buoyant force on the ball equals its weight and remains constant as the ball rises. V. The buoyant force on the ball while it is submerged is approximately equal to the weight of a volume of water that could fill the ball.

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Chapter1: Units, Trigonometry. And Vectors
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A beach ball filled with air is pushed about 1 m below the surface of a swimming pool and released from rest. Which of
the following statements are valid, assuming the size of the ball remains the same?
1. As the ball rises in the pool, the buoyant force on it increases.
II. When the ball is released, the buoyant force exceeds the gravitational force, and the ball accelerates upward.
III. The buoyant force on the ball decreases as the ball approaches the surface of the pool.
IV. The buoyant force on the ball equals its weight and remains constant as the ball rises.
V. The buoyant force on the ball while it is submerged is approximately equal to the weight of a volume of water that
could fill the ball.
OI and III
O II and IV
O III and V
O II and V
O II, IV, and V
Transcribed Image Text:A beach ball filled with air is pushed about 1 m below the surface of a swimming pool and released from rest. Which of the following statements are valid, assuming the size of the ball remains the same? 1. As the ball rises in the pool, the buoyant force on it increases. II. When the ball is released, the buoyant force exceeds the gravitational force, and the ball accelerates upward. III. The buoyant force on the ball decreases as the ball approaches the surface of the pool. IV. The buoyant force on the ball equals its weight and remains constant as the ball rises. V. The buoyant force on the ball while it is submerged is approximately equal to the weight of a volume of water that could fill the ball. OI and III O II and IV O III and V O II and V O II, IV, and V
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