pp08 - PHYSICS: A World View Tuesday, 8 February READ Ch 3...

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Unformatted text preview: PHYSICS: A World View Tuesday, 8 February READ Ch 3 (pp 50-53); Ch 4 ( pp 65-68); PS 3: 7 PRAC Ch 3: Q 25, 31, 41; E 17; P 13 HW #8 Ch 3: Q 32, 40; E 18, 20 Th 10 Feb QUIZ #1 1 2 3 4 5 6 7 8 <22 22 24 26 28 30 32 34 36 38 40 Ave = 31/40 = 78% What force is required to accelerate a book (mass = 1 kg) at 2 m/s 2 ? 1 2 3 4 5 0% 14% 0% 0% 86% 1. zero 2. 1 newton 3. 2 newtons 4. 3 newtons 5. 4 newtons 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 In-Class Activity What force does it take to accelerate a book ( 1 kg ) at 2 m/s 2 ? net F ma = ) m/s (2 kg) (1 2 = 2 m/s kg 2 = 2 N = What acceleration is produced by a force of 12 N acting on a toy truck with a mass of 4 kg? 1 2 3 4 5 6 86% 0% 11% 0% 4% 0% 1. 3 m/s 2 2. 4 m/s 2 3. 8 m/s 2 4. 12 m/s 2 5. 16 m/s 2 6. 48 m/s 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 In-Class Activity What acceleration is produced by 12 N acting on a toy truck ( 4 kg ) ?...
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pp08 - PHYSICS: A World View Tuesday, 8 February READ Ch 3...

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