Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M4587

Impulse

Impulse
BehaviorHigh supportOrganizational Behavior
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

The accumulated effect of a force acting over time, given by J = F times delta t. A change in an object's momentum can be produced either by a very large force acting for a very short time, as in an impact, or by a smaller force acting for a very long time, as in a sustained push. Its scaffold function is weighing force against time: when changing a stubborn habit or organization, a person without enough power for shock therapy must instead have enough patience for water wearing through stone. The same change in momentum can therefore be reached by gentle persistence as by a thunderbolt.

SCAFFOLDING EFFECT

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- Force-time tradeoff: when you lack the power for shock therapy, use patience instead. - Equal outcome: gentle persistence can achieve what a single thunderbolt achieves. - Momentum change: a large force briefly or a small force durably yield the same result.

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Change in momentum = force × time (J = F·Δt). The same change in momentum can be achieved by either a large force over a short time or a small force over a long time. The mechanism is that force and time are interchangeable—gentle persistence (large t, small F) can be equivalent to a thunderous strike (large F, small t).

MINIMUM ACTION

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