5 Questions
| Attempts: 89

.

Questions and Answers

- 1.Which of the following sentences uses work in the scientific sense?
- A.
Stan goes to work on the bus.

- B.
Anne did work on the project for 5 hours.

- C.
Joseph found that holding the banner in place was hard work.

- D.
An engine does work on a car when the car is moving.

- 2.A painter lifts a bucket of paint, carries it 5 m horizontally, then sets it back down. Which of the following is true?
- A.
The force of gravity does negative work when the worker lifts the bucket.

- B.
The painter does positive work on the bucket when carrying it horizontally at a constant speed.

- C.
The painter does positive work on the bucket when setting it down.

- D.
No net work is done on the bucket.

- 3.Which equation is used to calculate the work done on an object by a force at an angle, q, to the displacement?
- A.
W = Fd

- B.
W = Fdcos theta

- C.
W = Fdsin theta

- D.
W = mgsin theta

- 4.A joule is equivalent to a
- A.
N.

- B.
N•m.

- C.
N/m.

- D.
Kg•m/s2.

- 5.A parachutist falls at a constant speed for 200 m. Which of the following is true?
- A.
The force of gravity is the only force doing work on the parachutist.

- B.
Air resistance is the only force doing work on the parachutist.

- C.
No forces are doing work on the parachutist.

- D.
No network is done on the parachutist.

- Aeronautics Quizzes
- Aerospace Quizzes
- Agricultural Science Quizzes
- Astrology Quizzes
- Astronomy Quizzes
- Atom Quizzes
- Biochemistry Quizzes
- Biology Quizzes
- Biomechanics Quizzes
- Biostatistics Quizzes
- Biotechnology Quizzes
- Botany Quizzes
- Branches Of Science Quizzes
- Chemistry Quizzes
- Cytology Quizzes
- Earth And Space Science Quizzes
- Easy Science Quizzes
- Ecology Quizzes
- Electrical Quizzes
- Embryology Quizzes
- Endocrinology Quizzes
- Engineering Quizzes
- Environmental Science Quizzes
- Epidemiology Quizzes
- Experiment Quizzes
- Forestry Quizzes
- Fossil Quizzes
- Gas Quizzes
- General Science Quizzes
- Genetics Quizzes
- Histology Quizzes
- Human Biology Quizzes
- Integrated Science Quizzes
- Invention Quizzes
- Library Science Quizzes
- Lighting Quizzes
- Liquid Quizzes
- Marine Biology Quizzes
- Microbiology Quizzes
- Molecular Biology Quizzes
- Nature Quizzes
- Neuroscience Quizzes
- Nuclear Science Quizzes
- Oceanography Quizzes
- Physiology Quizzes
- Psychology Quizzes
- Science And Technology Quizzes
- Science Glossary Quizzes
- Science Knowledge Quizzes
- Science Practice Quizzes
- Scientific Method Quizzes
- Scientific Notation Quizzes
- Soil Science Quizzes
- Solar System Quizzes
- Solid Quizzes
- Zoology Quizzes

×

Wait!

Here's an interesting quiz for you.