2023, Set 1, Question 3 · Free response · 15 points · about 15 minutes
A rotating rod collides with a sphere
Use torque, rotation and collision principles to analyze a pivoting rod and the motion of a struck sphere.
This paper allotted 45 minutes to three free-response questions, each worth 15 points. 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 2023, Set 1 exam. It starts on page 14 of the PDF.
Open Question 3 (PDF, page 14)
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 12) What the exam readers saw (Chief Reader report)
Question, scoring guidelines and Chief Reader report: College Board. The title, summary are ours.