A2L Items Library
By default, this page displays all items in the library. Use the search controls here to whittle the list down. Command-click (Mac) or control-click (Windows) to select multiple options.
A2L Item 091
Identify the correct statements regarding the energy of and heat flow between two bodies. (Goal: Hone the concept of internal energy and heat.)
A2L Item 092
Identify the correct definition of heat. (Goal: Hone the concept of heat and distinguish from internal energy.)
A2L Item 093
Find the initial potential energy stored in a spring between two known masses given the final velocity of one of the masses. (Goal: Problem solving)
A2L Item 094
Determine the friction force acting on a rolling disk pulled by a string wrapped about its circumference. (Goal: Problem solving)
A2L Item 095
Determine the tension in a string wrapped around the disk and attached that holds a disk fixed on an incline. (Goal: Problem Solving)
A2L Item 096
Determine the friction force acting on a disk held fixed on an incline by a string wrapped around the disk and attached to the top of the incline. (Goal: Problem solving)
A2L Item 097
Identify the correct relation between the tensions in two strings supporting a uniform bar. (Goal: Hone the concept of torque.)
A2L Item 098
Identify the tension in one of two strings of unequal length that are supporting a uniform rod. (Goal: Reasoning with forces)
A2L Item 099
Identify the correct statement about forces acting on a rod hinged to a wall and supported by a string. (Goal: Reasoning about forces and torques.)
A2L Item 100
Identify which mass has the larger speed after a spring pushes it along a rough surface. (Goal: Reasoning about work and energy.)
A2L Item 101
Identify the correct motion of a spool pulled by a string passing over the top of the central axle. (Goal: Reason with rotational dynamics.)
A2L Item 102
Identify the correct motion of a spool pulled by a string passing along the bottom of the central axle. (Goal: Reason with rotational dynamics.)
A2L Item 103
Identify the correct motion of a spool pulled by a string passing at an angle to the bottom of the central axle. (Goal: Reason with rotational dynamics.)
A2L Item 104
Identify the correct statement regarding torque due to two forces. (Goal: Hone the concept of torque)
A2L Item 105
What is the speed of a hoop rolling on an incline after its center has fallen a distance h? (Goal: Problem solving)
A2L Item 106
Find the ratio of tensions in a system of two masses rotating about a center. (Goal: Hone rotational dynamics)
A2L Item 107
Determine the unknown mass given ratio of moment of inertia about two axes. (Goal: Reason with the concept of moment of inertia)
A2L Item 108
Determine the time for angular displacement given information about angular acceleration and velocity. (Goal: Problem solving with rotational kinematics)
A2L Item 109
Estimate the heat needed to boil a cup of water. (Goal: Problem solving with thermal energy.)
A2L Item 110
Identify the final temperature of two bodies placed in thermal contact. (Goal: Hone the concept of heat capacity)
A2L Item 111
Identify the temperature reading that is the same on both the Fahrenheit and Celsius scales. (Goal: Problem solving)
A2L Item 112
Indicate the sign of the work done on a gas during an isobaric compression process. (Goal: Hone the concept of work on a gas)
A2L Item 113
Identify the isobaric path. (Goal: Hone reading graphical depictions of thermodynamic cycles.)
A2L Item 114
Identify the final pressure after an ideal gas undergoes a free expansion. (Goal: Problem solving with the ideal gas law)
A2L Item 115
Identify the final temperature after an ideal gas undergoes a free expansion. (Goal: Reasoning about temperature.)
A2L Item 116
Indicate the direction of the total electric field at the origin due to two rods. (Goal: Hone vector nature of electric fields)
A2L Item 117
Indicate the direction of the electric force on a charge. (Goal: Hone the vector nature of electric force.)
A2L Item 118
Indicate the direction of the electric force on a charge. (Goal: Hone the vector nature of electric force.)
A2L Item 119
Indicate the direction of the electric force on a charge. (Goal: Reasoning with Coulomb's Law)
A2L Item 120
Indicate the size of the electric force on a charge. (Goal: Problem solving with Coulomb's law)
This material is based upon work supported by the National Science Foundation under grant number ESI-9730438. The opinions, findings, conclusions or recommendations expressed herein are those of the authors and do not necessarily reflect the views of the National Science Foundation.
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