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Questions and Answers
What is the relationship between work and energy?
What is the relationship between work and energy?
- Energy is only transferred when no work is done
- Whenever work is done, energy is transferred (correct)
- Energy is only present when there is no work
- Work and energy are unrelated concepts
What is required for work to be done in a scientific sense?
What is required for work to be done in a scientific sense?
- Exertion of force and displacement in the direction of the force (correct)
- Sound production
- Temperature change
- Lack of displacement
How is work mathematically expressed in terms of force, displacement, and angle?
How is work mathematically expressed in terms of force, displacement, and angle?
- $W = F + d$
- $W = (F cos θ) d$ (correct)
- $W = F / d$
- $W = F imes d$
What is the dimension of work?
What is the dimension of work?
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What is the SI unit of work?
What is the SI unit of work?
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In what scenario is energy transferred according to the text?
In what scenario is energy transferred according to the text?
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