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Question
Match the following.
| Barometer | reduce friction |
| Increasing area of contact | Atmospheric pressure |
| Decreasing area of contact | cause of friction |
| Lubricants | increases friction |
| Irregular surface | decreases friction |
Solution
| Barometer | Atmospheric pressure |
| Increasing area of contact | increases friction |
| Decreasing area of contact |
decreases friction |
| Lubricants | reduce friction |
| Irregular surface | cause of friction |
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Match the following.
| Column I | Column II |
| a) Barometer | i) reduce friction |
| b) Increasing area of contact | ii) Atmospheric pressure |
| c) Decreasing area of contact | iii) cause of friction |
| d) Lubricants | iv) increases friction |
| e) Irregular surface | v) decreases friction |
