Learning objective
Apply proportional reasoning when comparing work done by different braking forces.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
5
Flashcards
7
Questions
Topic
Work done and energy transfer
Subtopic
Energy transfer and braking
Study support
Understand this objective
Short explanation
Apply Proportional Reasoning When Comparing Work Done By Different Braking Forces (b7db15) is revised through apply, proportional and reasoning. The exact objective is: Apply proportional reasoning when comparing work done by different braking forces. In Work done and energy transfer, begin with the named situation from Energy transfer and braking, then use the anchor vocabulary apply, proportional, reasoning, comparing, work, done, different, braking, forces, newton, resultant, acceleration to keep the explanation distinct. If the task is a calculation, show the relationship, substitution, arithmetic and unit; if it is descriptive, identify the process and the physical consequence. This route is different from nearby objectives because it focuses on comparing, work and done, not a general Physics summary. Exam answers should finish by checking the boundary term and explaining why this objective uses those words.
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.
Common mistakes
1 linked- Proportional Reasoning in Work Done: To fix this, remember that work done is calculated as the product of force and distance. Ensure to compare both the force and the distance when applying proportional reasoning.
Revision tools
Choose how to practise
Flashcards5 linked cards
Flashcard 1 of 5
Practice Questions7 linked questions
Question 1 of 7
Choose an answer, get feedback, then move sideways through the set.
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.
Work done by a force
- State that one joule is one newton metre.
Work done by a force
- 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.
Work done by a force
- Calculate force from work done and distance.
Work done by a force
