True or false: conservative forces
Exercise and reference answers
- Questions
- Statement is true
- Yes
- Statement
- A conservative force does path-independent work.
- Statement is true
- Yes
- Statement
- Its work depends only on the end points.
- Statement is true
- Yes
- Statement
- Its work around any closed path is zero.
- Statement is true
- No
- Statement
- A conservative force does more work on a longer route.
- Statement is true
- Yes
- Statement
- A potential energy function can be defined for a conservative force.
Explanation
A force is conservative if its work is path-independent, or equivalently zero round any closed path. Source: syllabus Physics, Ch 5 Work, Energy and Power.
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