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A2L Item 031

Identify the direction of the force caused by an accelerated object on the traversed surface. (Goal: Hone the vector nature of force and interrelate model and procedure forces.)

A2L Item 032

Identify the graph of the vertical component of force on a ball rolling on a horizontal, then sloped surface. (Goal: Hone the vector nature of force and how the net force can be determined from the 2nd law.)

A2L Item 033

Determine the presence of a horizontal force from a strobe diagram. (Goal: Perceiving the presence of forces from changes in position.)

A2L Item 034

Determine the relative size of the net force from a strobe diagram. (Goal: Comparing the relative size of forces from changes in position.)

A2L Item 035

Determine the presence of forces in addition to friction from a strobe diagram of the objects' motion. (Goal: Interpreting strobe diagrams in conjunction with verbal information.)

A2L Item 036

Associate a strobe diagram with a verbal description of motion (Goal: Translate between representations of motion)

A2L Item 037

Identify correct force graph for block dropped on a spring. (Goal: Translate a verbal description of physical motion to graph of force.)

A2L Item 038

Compare the time for two different moving blocks to stop due to kinetic friction. (Goal: Reason qualitatively. Consider alternate solution paths.)

A2L Item 039

Specify motion of block at rest pulled by known tension. (Goal: Reasoning.)

A2L Item 040

Compare forces in the case of a hammer hitting a nail into wood. (Goal: Understanding action-reaction forces.)

A2L Item 041

Determine the ratio of masses for a pulley system to remain at rest. (Goal: Reasoning qualitatively.)

A2L Item 042

Determine the motion of a pulley sustem at rest when the support position is moved. (Goal: Reasoning)

A2L Item 043

Specifying the number of forces on a block in a stack. (Goal: Identifying and classifying forces.)

A2L Item 044

Recognize the direction of the normal force on a ball on curved vertical track. (Goal: Hone the concept of normal force.)

A2L Item 045

Compare tensions when there is no motion. (Goal: Reason using 2nd law.)

A2L Item 046

Select correct free body diagram for block on incline. (Goal: Recognize appropriate free body diagram.)

A2L Item 047

Compare the force on a water balloon in three different situations. (Goal: Hone the concept of force, recognize the presence of force.)

A2L Item 048

Identify the sources of force on a fly ball. (Goal: Hone the concept of force, classify forces as contact and action-at-a-distance.)

A2L Item 049

Identify the forces on a hanging monkey. (Goal: Recognize the presence of a force.)

A2L Item 050

Consider statements about tension in a horizontal wire bearing a weight. (Goal: Hone the vector nature of force.)

A2L Item 051

Identify size of friction force on rock on incline. (Goal: Reasoning about the vector nature of force.)

A2L Item 052

Identify position where spring force is maximum. (Goal: Reasoning and comparing the sizes of forces.)

A2L Item 053

Compare the gravitational force on identical blocks in different situations. (Goal: Hone the concept of force.)

A2L Item 054

Select the appropriate free body diagram for car accelerating on a highway. (Goal: Recognize forces and the correct free body diagram.)

A2L Item 055

Identify the forces on a ball thrown vertically at a point not its maximum. (Goal: Classify forces and hone the concept of contact force.)

A2L Item 056

Compare the normal force on identical blocks in several different situations. (Goal: Honing the concept of normal force and reasoning.)

A2L Item 057

Identify the correct velocity graph for ball rolling, first horizontally, then down an incline. (Goal: Associate velocity graph with physical motion.)

A2L Item 058

Identify bodies not accelerating (Goal: Perceiving acceleration from description of motion.)

A2L Item 059

Compare accelerations from velocity-time graphs. (Goal: linking acceleration and velocity graphically.)

A2L Item 060

Recognize the direction of the net force on a ball on curved vertical track. (Goal: Hone the vector nature of force and identify all the forces.)
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