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Introductory Physics Homework Help
Dynamic coeffecient of friction Problem
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[QUOTE="pennywise1234, post: 5487363, member: 594715"] [h2]Homework Statement [/h2] The static co-efficient of friction between a football blocking sled (90 kg) and grass is 0.56. (i) If an80 kg coach stands on top of the blocking sled, what is the maximal static frictional force?(ii) Will the dynamic co-efficient of friction between the sled (with the coach on top) and grass be greater than,less than or equal to 0.56? [h2]Homework Equations[/h2] To solve for (i) i used frictional force= coefficient force x normal force [B] 3. The Attempt at a Solution [/B] for (i) i got frictional force to equal= 933N I want to know how to solve for (ii) why is it less than 0.56 thanks [/QUOTE]
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Dynamic coeffecient of friction Problem
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