Angular Momentum & Rotational Energy MCQ Practice & Quizzes

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Momentum Conservation of Energy Friction Torque

Practice Questions

BeginnerFind the following three values using just rotational kinematics. A ball rolls down a 1.5-meter long incline from rest to 3.2 m/s. The ball has a 16…
BeginnerA car accelerates from \( 0 \) to \( 25 \) \( \text{m/s} \) in \( 5 \) \( \text{s} \). If the car's tires have a diameter of \( 70 \) \( \text{cm} \)…
BeginnerAn object's angular momentum changes by \( 10 \,\text{kg} \cdot \text{m}^2/\text{s} \) in \( 2.0 \) \( \text{s} \). What magnitude average torque acte…
BeginnerWhen is the angular momentum of a system constant?
BeginnerAn ice skater performs a pirouette (a fast spin) by pulling in his outstretched arms close to his body. What happens to his angular momentum about the…
BeginnerA solid sphere is rotating about an axis through its center at a constant rotation rate. Another hollow sphere of the same mass and radius is rotating…
BeginnerConsider a uniform hoop of radius \( R \) and mass \( M \) rolling without slipping. Which is larger, its translational kinetic energy or its rotation…
BeginnerA miniature, solid globe with mass \( 0.25 \) \( \text{kg} \) and radius \( 0.10 \) \( \text{m} \) is spinning in place about a vertical axis with the…
IntermediateTwo identical metal balls are being held side by side at the top of a ramp. Alex lets one ball, \( A \), start rolling down the hill. A few seconds la…
IntermediateA platform is initially rotating on smooth ice with negligible friction, as shown at left in the figure. A stationary disk is dropped directly onto th…
IntermediateDuring the experiment, students collect data about the angular momentum of a rigid, uniform spinning wheel about an axle as a function of time, which…
IntermediateA student is asked to design an experiment to determine the change in angular momentum of a disk that rotates about its center and the product of the…
IntermediateAn isolated spherical star of radius \( R_o \), rotates about an axis that passes through its center with an angular velocity of \( \omega_o \). Gravi…
IntermediateThe diagram above shows a top view of a child of mass M on a circular platform of mass 5M that is rotating counterclockwise. Assume the platform rotat…
IntermediateThe diagram above shows a top view of a child of mass M on a circular platform of mass 2M that is rotating counterclockwise. Assume the platform rotat…
IntermediateA system consists of a disk rotating on a frictionless axle and a piece of clay moving toward it, as shown in the figure above. The outside edge of th…
AdvancedA child of mass \( 3 \) \( \text{kg} \) rotates on a platform of \( 10 \) \( \text{kg} \). They start walking towards the center while the platform is…
AdvancedAn ice skater that is spinning in circles has an initial rotational inertia \(I_i\). You can approximate her shape to be a cylinder. She is spinning w…
AdvancedA sphere of mass \( M \) and radius \( r \), and rotational inertia \( I \) is released from the top of an inclined plane of height \( h \). The surfa…
AdvancedA uniform solid sphere of mass M and radius R is placed on a frictionless horizontal surface. A massless string is wrapped around the sphere and is pu…
AdvancedA uniform solid cylinder of mass M and radius R is initially at rest on a frictionless horizontal surface. A massless string is attached to the cylind…
AdvancedA disk of radius \( R = 0.5 \) \( \text{cm} \) rests on a flat, horizontal surface such that frictional forces are considered to be negligible. Three…
AdvancedA meter stick with a uniformly distributed mass of \(0.5 \, \text{kg}\) is supported by a pivot placed at the \(0.25 \, \text{m}\) mark from the left.…
AdvancedA disk of known radius and rotational inertia can rotate without friction in a horizontal plane around its fixed central axis. The disk has a cord of…

Quizzes

Rotational Kinetic Energy 7 questions Take quiz →
Unit 4: Impulse, Momentum, and Collisions Masterclass 10 questions Take quiz →
Unit 6: Rotational Dynamics and Angular Momentum Mastery 10 questions Take quiz →
AP Physics 1 Essentials: Core Concept Mastery 10 questions Take quiz →
Rotational Dynamics Conceptual Quiz 12 questions Take quiz →
Unit 5: Mastery of Rotational Dynamics and Energy 12 questions Take quiz →