AP Physics
Authored by Kameryn Brown
Physics
11th Grade
NGSS covered
Used 15+ times
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This quiz thoroughly covers rotational mechanics, the fundamental area of physics dealing with objects that spin, rotate, or undergo circular motion. The questions assess advanced concepts including angular kinematics (angular velocity, acceleration, and displacement), rotational dynamics (torque, rotational inertia, and angular momentum), and the relationship between linear and angular quantities. Students must demonstrate mastery of rotational kinematic equations, calculate moments of inertia for various geometric shapes and mass distributions, apply Newton's second law for rotation (τ = Iα), analyze equilibrium conditions for rotating systems, and understand the parallel axis theorem. The complexity of these problems, requiring sophisticated mathematical reasoning, conceptual understanding of vector quantities, and the ability to analyze multi-step scenarios involving pulleys, rods, and rotating objects, clearly indicates this material is appropriate for grades 11-12, specifically Advanced Placement Physics students. Created by Kameryn Brown, a Physics teacher in the US who teaches grade 11. This comprehensive assessment serves multiple instructional purposes, functioning effectively as a unit review, homework assignment, or formative assessment tool to gauge student understanding before the AP Physics exam. The quiz systematically progresses from basic rotational kinematics to complex equilibrium problems, making it ideal for reinforcing key concepts after direct instruction or as practice before summative assessments. Students can use this as independent study material to identify areas needing additional review, while teachers can analyze response patterns to target specific misconceptions about torque calculations, rotational inertia applications, or the relationship between angular and linear motion. The question format mirrors AP Physics 1 exam expectations, aligning with standards including NGSS HS-PS2-1 (analyzing data to support claims about forces and interactions) and AP Physics 1 Learning Objectives 3.F.1-3.F.3 and 4.D.1-4.D.3, which address rotational motion concepts and angular momentum principles.
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A horizontal wheel with an initial angular velocity of ω0 spins with a constant angular acceleration α. After a time t, the wheel has reached a final angular velocity of ω. Which of the following is a correct expression for the angular displacement Δθ of the wheel during this time interval?
ωt
1/2αt^2
ω^2 - ω20
/
2α
ω0+αt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An ant is standing on a fan blade of radius R at a distance of R/2 from the axis of rotation, as shown. The fan starts at rest and then begins spinning counterclockwise. The angular speed of the fan increases at a constant rate over a time t, until the fan reaches a final angular speed ωf. What is the average tangential acceleration of the ant over this time interval?
Responses
rwf
/
t
Rwf
/
2t
wf/Rt
wf/2Rt
Tags
NGSS.HS-PS2-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two spheres, with masses 2.0kg and 3.0kg, are mounted on a 3.0m long rod of negligible mass at the locations shown in the figure. The rotational inertia of the spheres-rod system about the left end of the rod is most nearly
Responses
1.3kg * m^2
5 kg * m^2
13kg * m^2
19kg * m^2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The figure shows a disk, with radius 0.50m, connected to a motor by an axle. A brake touches the edge of the disk and exerts a constant force on the disk. The motor delivers a torque of magnitude 150N·m to the disk and the disk rotates at a constant angular speed of 50rad/s. What is the magnitude of the torque exerted by the brake on the disk?
300 Nm
150 Nm
75 Nm
0 Nm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A pulley with radius R, mass m, and rotational inertia I is free to rotate about an axle at the pulley’s center. Two blocks are attached by a string of negligible mass that passes over the pulley, as shown. The tension T2 in the part of the string attached to Block 2 is greater than the tension T1 in the part of the string attached to Block 1. The string does not slip on the pulley and frictional forces on the axle are negligible. Which of the following is a correct expression for the angular acceleration of the pulley?
(T2-T1)R/I
(T2+T1)R/I
(T2-T1+mg)R/I
(T2+T1+mg)R/I
Tags
NGSS.HS-PS2-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Three fans undergo different angular displacements over different time intervals. The angular displacement and elapsed time for each fan is described in the table. Which of the following correctly compares the average angular speed ω of the fans?
w2>w1>w3
w2>w3>w1
w3>w1>w2
w3>w2>w1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Point A is on Earth’s equator at a distance RE=6.38×10^6m from the axis of Earth’s rotation, as shown. Point B is at a latitude of 53° north of the equator at a distance r from Earth’s axis of rotation. The total distance traveled by Point B during one complete rotation of Earth is most nearly
Responses
4* 10^7
2.4* 10^7
2** 10^7
1.2* 10^7
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