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Which of the following statements about work in physics is correct?
Which of the following statements about work in physics is correct?
When does a force do positive work?
When does a force do positive work?
When does a force do negative work?
When does a force do negative work?
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?
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What is the work done by the gravitational force on a ball thrown upwards?
What is the work done by the gravitational force on a ball thrown upwards?
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