Standard Science Primary 6 Interactions

Jun Jie measured the extension of a spring as he added weights to it. Which of the following graphs correctly represents the relationship between the extension of the spring and the weight added (within elastic limit)?

A A horizontal line
B A straight line that starts at zero and goes upwards
C A line that starts at zero and curves upwards
D A line that starts higher than zero and goes upwards
Show Worked Solution

Worked Solution

Step 1: Extension is the change in length. Step [2-9]: Within the elastic limit, extension is directly proportional to the force applied. Step [2-9]: This relationship is shown as a straight line passing through the origin (0,0).

Correct answer: A straight line that starts at zero and goes upwards

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