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Questions and Answers
Which one of the following statements about work in physics is correct?
Which one of the following statements about work in physics is correct?
- Work is the energy transferred to an object via the application of force along a displacement. (correct)
- Work is the force applied to an object multiplied by the distance traveled.
- Work is the energy transferred to an object via the application of force perpendicular to the displacement.
- Work is the force applied to an object divided by the distance traveled.
If a ball is thrown upwards, what is the work done by the gravitational force?
If a ball is thrown upwards, what is the work done by the gravitational force?
- Positive
- Zero
- Negative (correct)
- Cannot be determined
What is the work done by the gravitational force on a ball as it falls?
What is the work done by the gravitational force on a ball as it falls?
- Zero
- Negative
- Cannot be determined
- Positive (correct)
When does a force do negative work?
When does a force do negative work?
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What is the simplest form of work for a constant force aligned with the direction of motion?
What is the simplest form of work for a constant force aligned with the direction of motion?
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