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Results tagged with friction
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user 10048
The resistance a surface or object encounters when moving over another.
0
votes
1
answer
2k
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When we are walking or running, which friction is exerted on our feet? Kinetic or static?
As already mentioned in the title, when we are walking or running on the floor, which friction is exerted on our feet? Kinetic friction or static friction? … In my understanding, the answer is static friction because our feet do not slide on the floor. Is my understanding correct? …
- 1,082
9
votes
5
answers
9k
views
Is it correct that tires quickly get bald when used at high speed?
Does the friction increase at high speed rotation?
Update: The word "quickly" means that the tire gets bald with less distance traveled. …
- 1,082
1
vote
1
answer
5k
views
Finding friction forces of stacked boxes on a table
The given friction coefficients are for static. Let $g=10$ (meter per square second). … If the $F(t)=10t$, for example, determine the friction forces $f_{AB}(t)$ (between the boxes $A$ and $B$) and $f_{BF}(t)$ (between the box $B$ and the floor). …
- 1,082