Difference between revisions of "Contact Force"
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| − | A [[force]] that only acts when [[object|objects]] are touching one another. | + | ==Key Stage 3== |
| + | ===Meaning=== | ||
| + | A '''contact force''' is a [[force]] that only acts when [[object|objects]] are touching one another. | ||
| + | |||
| + | ===About Contact Forces=== | ||
| + | : Some [[force]]s can act at a distance, but a '''contact force''' only exists when [[object]]s are in '''contact'''. | ||
| + | The '''contact forces''' you should know are: | ||