Standard Science Primary 6 Interactions

A magnet is hung from a spring above an iron block. The spring stretches. What forces are responsible for the stretching of the spring?

A Gravitational force only
B Magnetic force and Elastic spring force
C Frictional force and Magnetic force
D Magnetic force and Gravitational force
Show Worked Solution

Worked Solution

Step 1: Gravity pulls the magnet downwards. Step 2: The magnetic attraction between the magnet and the iron block also pulls the magnet downwards. Step 3: Both forces work together to stretch the spring.

Correct answer: Magnetic force and Gravitational force

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