ATI TEAS 7
physics
1. What is the relationship between work, force, and displacement?
- A. Work is directly proportional to force but inversely proportional to displacement
- B. Work is directly proportional to both force and displacement
- C. Work is inversely proportional to force but directly proportional to displacement
- D. Work is inversely proportional to both force and displacement
Correct answer: b
Rationale: Work done is the product of force and displacement in the direction of the force.
2. What type of lens is thinner at the center than at the edges and causes light rays to diverge?
- A. Convex lens
- B. Concave lens
- C. Diverging lens
- D. Plano-convex lens
Correct answer: b
Rationale: A concave lens is thinner at the center than at the edges and diverges light rays.
3. What property of a substance remains constant regardless of changes in gravity?
- A. Mass
- B. Weight
- C. Volume
- D. Density
Correct answer: A
Rationale: Mass is a measure of the amount of matter in an object and remains constant regardless of changes in gravity. Weight, on the other hand, is a measure of the gravitational force acting on an object and varies with changes in gravity. Volume is the amount of space occupied by an object and can change with changes in gravity. Density is the mass of a substance per unit volume and can also change with changes in gravity if the volume changes.
4. What is the main function of energy storage technologies in the context of renewable energy?
- A. Reduce the cost of producing solar and wind power.
- B. Enhance the efficiency of energy transmission and distribution.
- C. Compensate for the intermittent nature of renewable energy sources.
- D. Eliminate the need for fossil fuels in electricity generation.
Correct answer: C
Rationale: Choice C directly addresses the passage's emphasis on managing the fluctuating availability of renewable energy, hence being the main function of storage technologies.
5. Which vitamin is synthesized in the skin upon exposure to sunlight?
- A. Vitamin A
- B. Vitamin C
- C. Vitamin D
- D. Vitamin E
Correct answer: A
Rationale: The correct answer is Vitamin D (C). When the skin is exposed to sunlight, a compound in the skin is converted to Vitamin D. Vitamin A (A) is not synthesized in the skin but is found in foods like carrots and sweet potatoes. Vitamin C (B) is not synthesized in the skin either, but is found in citrus fruits and vegetables. Vitamin E (D) is not synthesized in the skin upon sunlight exposure, but is found in nuts and seeds.
6. Which technique best helps maintain consistency in writing style?
- A. Writing freely without a clear outline or structure.
- B. Using different vocabulary and sentence structures in each paragraph.
- C. Establishing a style guide with agreed-upon terminology and formatting.
- D. Relying on thesaurus suggestions for varied word choices.
Correct answer: C
Rationale: A style guide ensures consistency in tone, terminology, and formatting across different pieces of writing.
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