101 final 1. Which statement about the atmospheric pressure is false? A. It is d
ID: 3468697 • Letter: 1
Question
101 final 1. Which statement about the atmospheric pressure is false? A. It is due to the air weight on top of us. B. When falling from the sky, the pressure decreases bottom. C. It is smaller at the summit of a mountain than at its bottom. 2. Which of the following substances is NOT a fluid? A. a cup of sugar water B. a spoon of sugar C. a sugar candies 3. The reason that air bubbles move upward in still water is because? A. the air density is less than density of water B. they have smaller weight than same volume of water drops C. they receive a buoyant force that is larger than their weight D. all of above 4. which two forces determine whether an object sinks or floats in a swimming pool? A. the gravity force and the normal force B. the gravity force and the buoyant force C. the normal force and the buoyant force 5. When applying a force F to the hydraulic system as shown as right, which piston receives the smallest pressure? A. A B. B C. C D. D E. The same 6. Heat is measuring transfer form one object transferred to another object A. a. electrical energy b. mechanical energy c. thermal energyExplanation / Answer
1. The correct answer is Option B. The statement that atmospheric pressure decreases as we fall from the sky is false.
2. The correct answer is Option B. A spoon of sugar is not a fluid.
3. The correct answer is Option D. Air bubbles move up because of all of the above statements.
4. The correct answer is Option B. The gravity force and the buoyant force determine whether an object sinks or floats.
Please post the other questions separately as we are supposed to answer just one question or four sub parts of a question.
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