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A2L Item 061

Compare the tension in wires supporting a picture frame. (Goal: Hone the vector nature of force.)

A2L Item 062

Identify correct statements about an elastic collision between two bodies involving a spring between them. (Goal: Interlink several dynamical concepts and associate with a physical process.)

A2L Item 063

Indicate the path of a rock dropped by someone on a merry-go-round. (Goal: Understanding the first law.)

A2L Item 064

Describe the change in angular velocity with change of mass. (Goal: Hone the concept of angular velocity and link to rotational inertia and angular momentum)

A2L Item 065

Identify conserved quantities when rock is dropped from a rotating platform. (Goal: Recognize physical conditions under which conservation principles hold.)

A2L Item 066

Indicate the path of a rock thrown radially from a rotating platform. (Goal: Hone the vector nature of velocity.)

A2L Item 067

Identify the conserved quantities when a rock is thrown radially from a rotating platform. (Goal: Recognize physical conditions under which conservation principles hold.)

A2L Item 068

Identify the principle for efficient problem solving. (Goal: Problem solving and developing strategic knowledge.)

A2L Item 069

Find final angular velocity when rock is thrown tangentially from a rotating platform initially at rest. (Goal: Problem solving.)

A2L Item 070

Identify the number of forces acting on a block. (Goal: Recognizing the presence of forces.)

A2L Item 071

How many forces do work on a block. (Goal: Recognize forces that do work, that is those with associated displacement.)

A2L Item 072

Specify work to reverse the motion of an object. (Goal: Hone the scalar nature of work and distinguish work from impulse.)

A2L Item 073

Specify the impulse needed to reverse an objects direction of motion. (Goal: Hone the vector nature of impulse and contrast impulse to kinetic energy.)

A2L Item 074

Find the final velocity of perfectly inelastic collision of two cars. (Goal: Problem solving using momentum conservation.)

A2L Item 075

Compare the impulse delivered to a car in two different collision situations. (Goal: Hone the concept of impulse and recognize an application of the 3rd law.)

A2L Item 076

Compare the work done on a car during two different collision situations. (Goal: Interrelate and contrast the concepts of work, kinetic energy and impulse.)

A2L Item 077

Identify the correct statements regarding force, impulse, kinetic energy and work. (Goal: Contrast the concepts of impulse and work.)

A2L Item 078

Find the velocity along the equator to keep the sun fixed in the sky. (Goal: Hone the concepts of speed and velocity.)

A2L Item 079

Determine the velocity of a car from information about its displacement. (Goal: Distinguish average velocity from velocity.)

A2L Item 080

Find the final angular velocity when a bug on a rotating plate crawls to a new radius, (Goal: Problem solving using conservation of angular momentum.)

A2L Item 081

Identify the principle that leads to most efficient solution of the problem. (Goal: Develop a strategic approach to problem solving.)

A2L Item 082

What is the maximum angular velocity that allows a bug to remain fixed on a rotating disk. (Goal: Problem solving)

A2L Item 083

Describe the motion of a child on rotating disk after dropping a rock. (Goal: Reasoning with dynamics.)

A2L Item 084

Identify which of two masses that slide down an inclines with friction has the larger speed at the bottom. (Goal: Reasoning with dynamics.)

A2L Item 085

Indicate whether both objects in a collision ever travel with the velocity of the center of mass. (Goal: Reasoning and recognizing the implications of momentum conservation.)

A2L Item 086

Specify the characteristics of the linear acceleration of a body having uniform angular velocity. (Goal: Hone angular kinematic quantities and distinguish them from linear kinematic quantities.)

A2L Item 087

Specify the characteristics of the linear acceleration of a body having uniform angular acceleration. (Goal: Hone angular kinematic quantities and distinguish them from linear kinematic quantities.)

A2L Item 088

Find the work done by a heated gas in a vertical piston. (Goal: Problem solving)

A2L Item 089

Identify the correct assertion regarding the change of pressure in an expanding gas. (Goal: Reasoning about adiabatic expansion.)

A2L Item 090

Identify the correct assertion regarding the change of temperature in an expanding gas. (Goal: Reasoning about adiabatic expansion.)
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