Misconception FMM124:

When a force acts on a moving object in the direction opposite the object’s direction of motion, the object will move at a constant speed for a while and then slow down (AAAS Project 2061, n.d.).

Items that test for misconception FMM124 in this key idea (If a force acts on an object in the…)
Item ID
Number

Item Description

How Often the Misconception was Chosen

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FM096001

A hockey puck that is sliding across the ice will move slower and slower the entire time it slides across the ice.

49%

FM097002

A snowmobile sliding across a lake with its engine turned off will move slower and slower the entire tme it is sliding across the lake.

31%

FM098002

A moving snowmobile will slow down the entire time that the force of the wind moving toward the snowmobile is greater than the force moving the snowmobile forward.

16%

FM069005

Use of tables of speed versus time, and information about forces acting on an object, to determine the object's speed at various times.

16%

FM055004

The speed of a sailboat will continue to decrease the entire time the force of the water slowing it down is greater than the force of the wind pushing it forward.

16%

FM095001

A moving object will slow down the entire time that a force that opposes its motion is greater than the force pushing or pulling it forward.

16%

FM103001

Use of tables of speed versus time, and information about forces acting on an object, to determine the object's speed at various times.

12%

Items that test for misconception FMM124 in other key ideas

FM101001

If an object is moving forward, and a force pushing it backward is greater than a force pushing forward, the object will slow down, stop, and then begin to move faster and faster in the opposite direction.

18%