Questions and Answers
What is the equation for work when the force and displacement are constant and aligned?
$W = |F||s| \cos(\theta)$
When does a force do negative work?
When it has a component opposite to the direction of the displacement
What happens to work done by gravitational force on a ball when it is thrown upwards?
The work done by gravitational force is negative
What type of quantity is work?
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What is the SI unit of work?
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What is the unit of measurement for energy in the International System of Units (SI)?
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According to the law of conservation of energy, what can be done to energy?
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What type of energy is associated with chemical reactions?
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What does mass–energy equivalence imply about an object's total mass and energy?
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What does human civilization require to function, obtained from various resources such as fossil fuels and renewable energy?
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