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Questions and Answers
What is the SI unit of work?
What is the SI unit of work?
- Meter
- Coulomb
- Newton
- Joule (correct)
When is the value of work positive?
When is the value of work positive?
- When force and displacement vectors are parallel (correct)
- When force is zero
- When force and displacement vectors are perpendicular
- When force and displacement vectors are anti-parallel
In which scenario is work done frame dependent?
In which scenario is work done frame dependent?
- A man pushing a ball on an elevator (correct)
- A person carrying a bag on their back
- A person lifting a book on a table
- A man pushing a box on the ground
When is the value of work negative?
When is the value of work negative?
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What is the formula for work in 1-dimensional motion along the x-axis?
What is the formula for work in 1-dimensional motion along the x-axis?
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