PDF chapter test TRY NOW
Theory
Practice Questions
1. |
Smooth and rough surface
Difficulty: easy |
2
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2. |
Rolling friction
Difficulty: easy |
2
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3. |
Nature and properties of friction
Difficulty: easy |
3
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4. |
Types of surfaces
Difficulty: medium |
2
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5. |
Basics of friction
Difficulty: medium |
3
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6. |
Causes and effects of friction
Difficulty: medium |
3
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7. |
Increasing and reducing friction
Difficulty: medium |
4
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8. |
Analogies in friction
Difficulty: medium |
4
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9. |
Complete the sentences about friction
Difficulty: medium |
4.5
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10. |
Types of friction
Difficulty: medium |
4
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Tests
1. |
Training test
Difficulty: easy |
6
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