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f f = μ N PowerPoint Presentation

f f = μ N

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f f = μ N

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  1. Q1: You help your mom move a 41kg bookcase to a different place in the living room. If you push with force a of 65N and the bookcase accelerates at .12 m/s2 what is the μ between the bookcase and the carpet? By: Anchal, Daniel and Evan Q2: A girl exerts 36N horizontal force as she pulls a 52N sled across a sidewalk at a constant speed what is the μk between the sidewalk and sled runners? Q1 Answer: μk=.69 Q2 Answer: μk=.15 ff=μN Page 8 Page 7 Page 6 Page 4 Page 2 Mu Page 3 Page 5 ff=μN • Uses: • To calculate ff • To calculate μ Force of friction Normal Force (mg) Coefficient of friction