ATI TEAS 7
physics
1. What happens to the work done on an object when the angle between force and displacement is 90 degrees?
- A. Maximum work is done
- B. No work is done
- C. Minimum work is done
- D. Work is infinite
Correct answer: b
Rationale: When the angle between force and displacement is 90 degrees, the work done on the object is zero.
2. The professor explained the concept clearly. What is the past participle of the verb "explain"?
- A. explains
- B. explaining
- C. explained
- D. explanation
Correct answer: C
Rationale: The past participle is used to form verb tenses and passive voice constructions.
3. What is a lifestyle practice that can weaken the immune system?
- A. Getting enough sleep
- B. Eating a balanced diet rich in fruits and vegetables
- C. Managing stress levels
- D. Frequent smoking
Correct answer: D
Rationale: Frequent smoking is a lifestyle practice that can weaken the immune system. Smoking has been linked to various health issues, including suppressing the immune system's ability to fight off infections and diseases. The chemicals in tobacco smoke can impair immune function, making smokers more susceptible to illnesses. On the other hand, getting enough sleep, eating a balanced diet rich in fruits and vegetables, and managing stress levels are practices that support a healthy immune system, rather than weaken it.
4. Which word best completes the sentence: "The scientist's breakthrough was met with _____ applause."
- A. thunderous
- B. scattered
- C. polite
- D. hesitant
Correct answer: A
Rationale: "Thunderous" emphasizes the intensity and volume of the applause, fitting the significance of the breakthrough.
5. Which sentence uses the correlative conjunction "either/or" correctly?
- A. You can either come to the party or stay home.
- B. Either she will go to the concert, or he will.
- C. I'm not sure whether I should go swimming or running.
- D. He likes both pizza and pasta, so he can have either.
Correct answer: A
Rationale: Option Aa uses "either/or" to present two exclusive options.
6. What is the stoichiometric coefficient of nitrogen (N2) in the balanced equation for the Haber process: N2 + 3H2 → 2NH3?
- A. 1
- B. 2
- C. 3
- D. 4
Correct answer: a
Rationale: The coefficient of N2 is 1 in the balanced equation
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