A student makes the following statement: 'The work done by the cyclist is converted into kinetic energy of the cyclist and bicycle.' Criticize this statement.
Understand the Problem
The question asks you to critique a statement about the conversion of work done by a cyclist into kinetic energy. Your critique should consider that not all the work done is converted into kinetic energy and other possibilities.
Answer
The statement is incorrect because not all work done is converted to kinetic energy; some is lost due to air resistance and friction.
The statement is not entirely accurate. While some of the work done by the cyclist is converted into kinetic energy, some energy is also lost due to factors like air resistance and friction in the bicycle's mechanical components. Therefore, not all the work is solely converted to kinetic energy.
Answer for screen readers
The statement is not entirely accurate. While some of the work done by the cyclist is converted into kinetic energy, some energy is also lost due to factors like air resistance and friction in the bicycle's mechanical components. Therefore, not all the work is solely converted to kinetic energy.
More Information
In a real-world scenario, energy is always lost to the environment due to various factors. The efficiency of energy conversion is never 100%.
Tips
A common mistake is to assume that all the work done is converted into kinetic energy without considering other energy losses. Remember to account for factors like friction and air resistance.
Sources
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