Practice: Pushing a 10-kg toolbox across the floor, you find that the box moves at a constant speed when you push horizontally with a force of 39 N. What is the coefficient of kinetic friction between the floor and the toolbox?
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| Sections | |||
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| Inclined Planes | 20 mins | 0 completed | Learn |
| Kinetic Friction | 18 mins | 0 completed | Learn |
| Static Friction | 21 mins | 0 completed | Learn |
| Inclined Planes with Friction | 37 mins | 0 completed | Learn |
| Systems of Objects with Friction | 11 mins | 0 completed | Learn |
| Systems of Objects on Inclined Planes with Friction | 20 mins | 0 completed | Learn |
| Stacked Blocks | 16 mins | 0 completed | Learn |
| Intro to Springs (Hooke's Law) | 21 mins | 0 completed | Learn |
Concept #1: Kinetic Friction Problems
Practice: You push on a 3-kg box to give it an initial speed of 5 m/s across a floor. If μk = 0.3, how far does the box travel before coming to a stop?
Example #1: Pushing Down on a Block with Friction
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