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Questions and Answers
What is work in physics?
What is work in physics?
- The energy transferred to or from an object via the application of force along a displacement (correct)
- The force applied to an object
- The weight of an object
- The distance traveled by an object
When does a force do positive work?
When does a force do positive work?
- When it is applied vertically
- When it is applied horizontally
- When it has a component in the direction of the displacement of the point of application (correct)
- When it has a component opposite to the direction of the displacement at the point of application
What is the unit of work in the SI system?
What is the unit of work in the SI system?
- Coulomb (C)
- Joule (J) (correct)
- Newton (N)
- Watt (W)
How is work calculated when the force and the angle between the force and the displacement are constant?
How is work calculated when the force and the angle between the force and the displacement are constant?
What type of quantity is work?
What type of quantity is work?
When does a force do negative work?
When does a force do negative work?
What is the formula for calculating work when the force and the angle between the force and the displacement are constant?
What is the formula for calculating work when the force and the angle between the force and the displacement are constant?
What type of quantity is work?
What type of quantity is work?
What is the unit of work in the SI system?
What is the unit of work in the SI system?
What does work transfer from one place to another, or one form to another?
What does work transfer from one place to another, or one form to another?