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Physics 20 Lesson 16 Friction
30 F N F f 60 N 2F g = m g = 10 kg(9.81 m/s ) F g = 98.1 N o Note that some of the applied force is pulling the box and some is lifting the box. Due to the lifting force, there is a smaller normal force acting on the block. Therefore the amount of friction will decrease. Breaking the applied force into its components: F Ay = 60 N sin 30 o F Ay ...
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