A2L Item 136

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warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.

Block m₁ sits on block m₂ and both sit on the floor of an elevator at rest. When the elevator starts to move down, the normal force on the upper block will …

increase.
remain the same.
decrease.
Cannot be determined

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.

Assessing-to-Learn by William J. Gerace, William J. Leonard, Robert J. Dufresne, and Ian D. Beatty is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License.

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A2L: Assessing-to-Learn Physics

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A2L Item 136