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Questions and Answers
What is work in the context of physics?
What is work in the context of physics?
- The product of force strength and the weight of an object
- The energy transferred to or from an object via the application of force along a displacement (correct)
- The application of force to an object
- The distance traveled by an object under the influence of force
When does a force do positive work?
When does a force do positive work?
- When it has a component opposite to the direction of displacement
- When it is perpendicular to the direction of motion
- When it is applied with a component in the direction of displacement (correct)
- When it is applied with a component in the opposite direction of motion
What type of work does the gravitational force do when a ball is thrown upwards?
What type of work does the gravitational force do when a ball is thrown upwards?
- Zero work
- Variable work
- Positive work
- Negative work (correct)
How is work related to force and displacement when both are constant?
How is work related to force and displacement when both are constant?
What type of quantity is work in physics?
What type of quantity is work in physics?