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Question
Match the following.
| Column A | Column B |
| 1. Non-contact forces | a. perpendicular to surface |
| 2. Catapult | b. an act of push or pull |
| 3. Force | c. unit of force |
| 4. Normal force | d. action-at-a-distance forces |
| 5. Newton | e. contact force |
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Solution
| Column A | Column B |
| 1. Non-contact forces | d. action-at-a-distance forces |
| 2. Catapult | e. contact force |
| 3. Force | b. an act of push or pull |
| 4. Normal force | a. perpendicular to surface |
| 5. Newton | c. unit of force |
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