SC-261
Choosing materials
Lower Sec Science · Secondary 1 · Hard · Choosing materials
A student says: "Strength of a material is how much force it can take without breaking."
A plastic ruler snaps when a 20 N force is applied, while a metal ruler only bends under the same force. Which statement about their strength is correct?
A plastic ruler snaps when a 20 N force is applied, while a metal ruler only bends under the same force. Which statement about their strength is correct?
- Both have the same strength because the force is the same.
- The plastic ruler is stronger because it breaks.
- The metal ruler is stronger because it does not break.
- Strength does not depend on breaking.
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