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Questions and Answers
What is work in physics?
What is work in physics?
- The energy stored in an object
- The distance traveled by an object
- The energy transferred to or from an object via the application of force along a displacement (correct)
- The speed of an object
What is the work done by the gravitational force when a ball is thrown upwards?
What is the work done by the gravitational force when a ball is thrown upwards?
- Depends on the weight of the ball
- Negative (correct)
- Zero
- Positive
When does a force do positive work?
When does a force do positive work?
- When it has a component in the direction of the displacement (correct)
- When it has a component opposite to the displacement
- When it is applied at an angle to the displacement
- When it is applied perpendicular to the displacement
In which form is work given when the force F is constant and the angle θ between the force and the displacement s is also constant?
In which form is work given when the force F is constant and the angle θ between the force and the displacement s is also constant?
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What type of quantity is work in physics?
What type of quantity is work in physics?
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