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🔬 Science - Class 9
Unit 7 · Force and Motion

Elasticity and Plasticity Presentation

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Science and Technology, Grade 9

Elasticity and Plasticity

Force and structure · From steel to clay · Whole unit practice

What You Will Be Able to Do

💪

Recognise the deforming force

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Tell elasticity from plasticity

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Connect them to bridges and bricks

📈

Revise motion graphs and equations

New word
The Deforming Force
FORCE
Forces act on a body from several directions.
ONE EFFECT
Their overall effect appears as one resultant force.
CHANGE
When that resultant force changes shape and size, it is the deforming force.

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Presenter notes: Today we learn how a force changes the shape of a body, which bodies spring back and which do not. At the end we also pull the unit's graphs, equations and laws together in one place.