Standard Science Primary 6 Interactions

Tim hung a 100g weight on a spring and measured its extension. He then replaced it with a 200g weight. What will happen to the elastic spring force exerted by the spring?

A It will increase.
B It will remain the same.
C It will become zero.
D It will decrease.
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Worked Solution

Step 1: Elastic spring force is the force exerted by a stretched or compressed spring to return to its original length. Step 2: As more weight is added, the spring stretches more. Step 3: The more a spring is stretched, the greater the elastic spring force it exerts.

Correct answer: It will increase.

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