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by BlastRoom
Describe rotational motion with angular displacement, angular velocity, angular acceleration, and radians.
#physics
40 questions
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An angle is expressed in radians rather than degrees. Which ratio defines the size of that angle for a point moving on a circle?
Which quantity describes how far a rigid body has rotated about a fixed axis?
What is the SI unit normally used for angular velocity in rotational kinematics?
Which quantity describes the rate at which angular velocity changes?
A rigid disc rotates about its center. Which statement is true for all points fixed on the disc during the same time interval?
Which equation gives average angular velocity for a time interval?
Which equation gives average angular acceleration over a time interval?
Counterclockwise is positive. A wheel turns only clockwise through an angle of 2.0 rad. What is the sign of its angular displacement?
A turntable makes 3.0 complete revolutions. Use 1 rev = 2π rad = 360°. What angular displacement has it turned?
A wheel turns through 5π/6 rad. Use 1 rev = 2π rad = 360°. What is this angular displacement in degrees?
A fan blade rotates through 720°. Use 1 rev = 2π rad = 360°. How many revolutions is this?
Counterclockwise is positive. A knob turns 1.5 rev clockwise. Use 1 rev = 2π rad. What is its angular displacement?
A rotor turns through 45°. Use 180° = π rad. What is the angular displacement in radians?
A wheel rotates through 7π rad. Use 1 rev = 2π rad. How many revolutions is this?
A disc completes 0.25 rev. Use 1 rev = 360°. What angular displacement is this in degrees?
A turntable turns 2.4 rev. Use 1 rev = 2π rad. What angular displacement has it undergone?
A wheel turns through 270°. Use 180° = π rad. What is this angular displacement in radians?
A shaft rotates through π/3 rad. Use 1 rev = 2π rad. How many revolutions is this?
Counterclockwise is positive. A disc undergoes an angular displacement of +12 rad in 3.0 s. What is its average angular velocity?
Counterclockwise is positive. A wheel moves from theta_i = +5 rad to theta_f = -7 rad in 4.0 s. What is its average angular velocity?
A rotor's angular velocity changes from +2.0 rad/s to +14 rad/s in 3.0 s. What is its average angular acceleration?
Counterclockwise is positive. A flywheel slows from +10 rad/s to +2 rad/s in 4.0 s. What is its average angular acceleration?
A wheel's angular position changes from -2.0 rad to +10 rad during a 6.0 s interval. What is its average angular velocity?
Counterclockwise is positive. A shaft's angular velocity changes from -4.0 rad/s to -16 rad/s in 3.0 s. What is its average angular acceleration?
A grinding wheel slows uniformly from +30 rad/s to 0 rad/s in 5.0 s. Counterclockwise is positive. What is its average angular acceleration?
A disc turns through +8π rad in 4.0 s. What is its average angular velocity?
A motor's angular velocity changes by +18 rad/s during a 6.0 s interval. What is its average angular acceleration?
A wheel's angular velocity changes from +12 rad/s to +2.0 rad/s in 4.0 s. What is its average angular acceleration?
A rotating platform's angular position changes from +1.0 rad to +26 rad over 5.0 s. What is its average angular velocity?
At t = 2.0 s, a rotor has omega = -9 rad/s. At t = 8.0 s, omega = -21 rad/s. What is its average angular acceleration?
The figure shows a disc mark first on ray A and later on ray B. Counterclockwise is positive. Use 180° = π rad. What angular displacement occurred?
The figure shows a mark first on ray B and later on ray A, turning clockwise without an extra revolution. Counterclockwise is positive. What is the angular displacement?
Use the figure: the disc mark moves counterclockwise from ray A to ray B. Use 180° = π rad. What angular displacement is shown?
The figure shows a painted mark on a disc first at ray A and then at ray B. Counterclockwise is positive. What angular displacement is shown?
A disc mark moves counterclockwise from ray A to ray B as shown. Use 180° = π rad. What is its angular displacement?
The marked point moves counterclockwise from ray A to ray B. Use 180° = π rad. What angular displacement does the figure show?
In the figure, a painted mark starts on ray A and later reaches ray B by rotating counterclockwise. Use 180° = π rad. What is Δtheta?
The figure shows the mark first on ray B and later on ray A after a clockwise turn. Counterclockwise is positive. What angular displacement occurred?
A disc mark rotates counterclockwise from ray A to ray B as shown. Use 180° = π rad. What is the angular displacement?
The mark starts on ray B and moves clockwise to ray A. Counterclockwise is positive. Use 180° = π rad. What is the angular displacement?
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Connecting Linear and Rotational Motion (AP Physics 1)
30 questions
