5. We denote the two forces GGFF12and. According to Newton’s second law, GGGGGGFFmaFmaF21+=−=so,.(a) In unit vector notation GF120 0=.#Nibgand ()()()()2222ˆˆˆˆ12.0 sin 30.0 m/si12.0 cos 30.0 m/s6.00 m/si10.4m/sj.ja=−°−°= −−GTherefore,()2ˆ2.00kg6.00 m/si2.00 kg10.4 m/sj20.0 N i32.0 N i20.8 N j.F+−−−G(b) The magnitude of GF2is 222||( 32.0 N)( 20.8 N)38.2 N.xyF=+=−+−=G(c) The angle that GF2makes with the positive
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.