2024, Question 1 · Short Answer · 7 points · about 13 minutes
Block sliding through loops on a track
Complete an energy bar chart at the top of a loop, derive the block's speed there from energy conservation, draw the forces at the top of a second loop, and explain why a claimed minimum release height is wrong.
This exam had five free-response questions in 90 minutes, worth 7 or 12 points each. The current exam has 4 free-response questions in 95 minutes. The skills these questions practice still count.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2024 exam. It starts on page 4 of the PDF.
2 Write your answer
Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.
3 Score it
Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.
Scoring guidelines (PDF, page 2) What the exam readers saw (Chief Reader report)
Question, scoring guidelines and Chief Reader report: College Board. The title and summary are ours.