Entry Exam Category: Graduate & Professional Program Admission Exams
Course: Praxis
Exam: Praxis Elementary Science 5005 Practice Test
Practice Question
An astronaut travels to the Moon, where the magnitude of the force of gravity is one-sixth the magnitude of the force of gravity on Earth. On the Moon, which of the following is true?
Answer Choices
- A: The astronaut's mass is one-sixth of his mass on Earth.
- B: The astronaut's weight is one-sixth of his weight on Earth.
- C: The astronaut's mass is six times his mass on Earth.
- D: The astronaut's weight is six times his weight on Earth.
Correct Answer: B
Rationale: Weight=mg, g Moon 1/6 Earth, weight 1/6. Mass same. A,C: Mass constant. D: Weight less.