A horizontal force of 100 N is used to pull a crate, which weighs 500 N, at constant velocity across a horizontal floor.
What is the coefficient of kinetic friction?
1. 20
2. 0.2
3. 0.5
4. 2
5. 0.05
What is the coefficient of kinetic friction?
1. 20
2. 0.2
3. 0.5
4. 2
5. 0.05
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2. 0.2 F=ma and F=µR constant velocity again. So µR=100N where R=500N therefore U=1/5