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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Inertia |
The tendency of an object to resist change in its motion. |
Tendency |
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Force |
A push, pull or twist that can change an objects motion |
Change motion |
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Friction |
A force that acts upon an objects motion |
Acts against an objects motion |
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Electro-magnic |
A temporary magnet formed when electricity flows in a coil of wire. |
Coil of wire |
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Magnetic materials |
- Nickel - Colbalt - Iron |
3 materials are magnetic |
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Positively-charged |
When the number of positive charges exceed the number of negative charges. |
Number of charges |
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Negatively charged |
When the negative charges (-) exceed the positive charges (+) |
+ and - |
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Balanced force |
Object remains at rest or keeps moving at the same speed. |
Keeps same speed |
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Contact force |
Force that acts between two objects that touch or are in contact, for example friction |
Close up |
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Non-contact force |
Force that acts on an object from a distance |
Far away |
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Law of magnetism |
Like poles (n-n) repel, unlike poles attract, (n-s poles) |
N & n and s & n |
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Unbalanced forces |
Forces that can cause a change in motion. |
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