Learning objective
Describe how increased speed increases the energy that must be dissipated during braking.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Questions
Topic
Work done and energy transfer
Subtopic
Energy transfer and braking
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Understand this objective
Quick explanation
Describe how increased speed increases the energy that must be dissipated during braking
- This point belongs to Work done and energy transfer, especially Energy transfer and braking.
- You need to be able to describe how increased speed increases the energy that must be dissipated during braking.
- The key ideas to know are braking.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Energy transfer and braking to exam-style questions, flashcards, and revision notes for Work done and energy transfer.
Quick student answer
How does increased speed increases the energy that must be dissipated during braking work?
Direct answer
In Physics, this page helps you answer questions about increased speed increases the energy that must be dissipated during braking within Work done and energy transfer. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are work done and braking force.
Key terms
- work done: The energy transferred when a force moves an object through a distance.
- braking force: The force applied to slow down or stop a moving object, transferring energy from its kinetic energy store.
Common trap
Misunderstanding Energy Dissipation: Emphasize that as speed increases, the kinetic energy of the vehicle increases, which means more energy must be dissipated by the brakes to bring the vehicle to a stop.
Related questions
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Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Define work done as energy transferred when a force moves an object through a distance.
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- Use the equation work done = force x distance moved along the line of action of the force.
Work done by a force
- Calculate work done from force and distance.
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- Calculate force from work done and distance.
Work done by a force