Name TWO contact forces,
Why do we observe sparks coming out from a synthetic shirt when we take it off our body?
which force pulls the iron nail towards a magnet ?
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Explanation:
Contact forces:
- Frictional forces
- Normal forces
Sparks:
The sparks that we observe coming out from a synthetic fibre shirt when we take it of our body is due to static electricity. Explanation: Our body may contain some protons , protons are positively charged atomic particles.
Force:
A magnetic field is a force that pulls on other ferromagnetic materials such as iron nails, fridge door, steel plate.
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