Box Sitting on table 4 N from the table N=Norma is equal to magnitude of the weight of the 4 Net force is zero zero, forces arc balanced Sled pulling from ← action + pulling→ reaction pair Forces are opposite + equal (2nd law). Near Elevator Net force on Changes you from Zer D dowh wards to road Kinetic frication 4 surfaces are in contact and moving relative to each other. Mass of an Object Is No vector or direction Homework #2 Magnitude of force is 2 ABCOS #2 Givens Physics M: 30.0kg Zfx-may 0=30° F:240N Fx Sma = 41.5N Fcose-f=ma 240 COS (30)-41.SN=30.00 Givens Physics 1166.3461=30.09. V Q=5.5 m/s² V=Vat 30.0 30.0 2.0m/s 2=0 +5.54t 5.51487 554 5.50 5.54 #12 t:0.361 Givens Physics M-1500kg N=Fcos = mg 11- 65.0 km/hr HFsin = mv 0=2 9:9.8 m/s = Fsine r(mg) tano. = V 65.0 km 1.1 m/s 13.6km/ 18.05m18. 2 18.05 9 tane 9.8 tan (28) 91.34 imining = mi r #10 Givens Physics r- Som = 21. 25-50 = = 5.25 60 M-872 9.8 →88.97 872-8897.5.232-823-32N 50 W+ My 2 872+88.97-5232 W= mv² 2 r 50 872-88.97.12 920.67 50 (40) 872-889702 50 (50)

Chapter 5: Physics Assignment

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