Curriculum
Course: AP PHYSICS 1
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Curriculum

AP PHYSICS 1

1. Kinematics

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2. Force and Translational Dynamics

0/73

3. Work, Energy, and Power

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4. Linear Momentum

0/29

5. Torque and Rotational Dynamics

0/37

6. Energy and Momentum of Rotating Systems

0/27

8. Fluids

0/30
Quiz

5.1.4 Angular Acceleration – Check yourself

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1.
The unit of α is
rad/s
rad/s²
rad
m/s²
2.
A wheel increases ω from 4.0 to 16 rad/s in 3.0 s. The average α is
5.3 rad/s²
12 rad/s²
36 rad/s²
4.0 rad/s²
3.
ω = +6.0 rad/s and α = −2.0 rad/s². The wheel is
Slowing down
Speeding up
At constant speed
Stopped
4.
The tangential acceleration of a point at radius 0.5 m, with α = 4.0 rad/s², is
8.0 m/s²
0.50 m/s²
2.0 m/s²
4.0 m/s²
5.
The area under an α-t graph is
Δθ
ω
Torque
Δω
6.
A flywheel rotating at constant ω has
Tangential acceleration and no centripetal
Centripetal acceleration only
No acceleration
Both components non-zero
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