2026 F = ma Exam — Question 10 — Physics Guide

Home Practice Mock Tests Problems Profile About

0 Days 0 XP Sign in

Back to Problems

F = ma (First 10)

Gravitation

FMA-2026-10 · 2026 F = ma (AAPT)

2026 F = ma Exam — Question 10

Consider the following three solid objects, each of mass M and uniform density: (i) a half-ball of radius a; (ii) a cylinder of radius a and height a; (iii) a cylinder of radius a and height 2a. For each object, consider the gravitational acceleration at the center of its flat circular face. Let gball , ga , and g2a denote these accelerations for the half-ball, the cylinder of height a, and the cylinder of height 2a, respectively. Which of the following is correct? — Source: Question 10, 2026 F = ma Exam, © 2026 American Association of Physics Teachers (AAPT) and the U.S. Physics Team. Adapted by PhysicsTrainer: reformatted into a separate question and answer choices for online multiple-choice practice; any shared setup from nearby questions is repeated here. Not affiliated with or endorsed by AAPT or the U.S. Physics Team.

Physics Guide

Free AP Physics 1/C (Mech) and F=ma training. Built by students, for students.

Problem Bank About

F = ma problems are © the American Association of Physics Teachers (AAPT) and the U.S. Physics Team, the original source, and are used with permission. Problems shown here are adaptations: they have been reformatted by Physics Guide into separate question and answer-choice pieces for online multiple-choice practice. Physics Guide is an independent student project and is not affiliated with, endorsed by, operated by, or supported by AAPT, F = ma, USAPhO, or the U.S. Physics Team.

AP Physics 1 and AP Physics C (Mech) problems are adapted from OpenStax College Physics for AP® Courses 2e and University Physics Volume 1, © OpenStax (Rice University), licensed under CC BY 4.0. Problem text is reproduced exactly; correct answers come from the OpenStax answer keys. For written-answer problems, the incorrect answer choices were written by Physics Guide. Physics Guide is not affiliated with or endorsed by OpenStax or the College Board.