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Newton’s Second Law

Newton’s Second Law. October 29, 2013. Tuesday , 10/ 29. Pick up video note taking guide from the Physics bin Use your notes from yesterday to respond to the following (leave room to add discussion notes). List eight examples of accelerated motion Inertia resists ____________.

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Newton’s Second Law

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  1. Newton’s Second Law

    October 29, 2013
  2. Tuesday, 10/29 Pick up video note taking guide from the Physics bin Use your notes from yesterday to respond to the following (leave room to add discussion notes). List eight examples of accelerated motion Inertia resists ____________. A ___________ causes ______________. Newton’s 2nd Law of motion is known as the Law of _______________. In your own words describe Newton’s second law of motion. Reminders: End of the 5 weeks in Friday, 11/1. All make up work/tutorials/retests are due by Wednesday at 4:30 PM. Open note quiz on Wednesday, 10/30
  3. Examples of Accelerated Motion Speeding up Slowing down Starting Stopping Changing direction Moving in a circle
  4. Warm-up Fill in the Blank Answers Inertia resists Acceleration. A net forcecauses acceleration. Newton’s 2nd Law of motion is known as the Law of acceleration. Newton’s 2nd Law – When a net force is applied to an object, the object will accelerate in the direction of that force.
  5. What is the net force needed to accelerate a 1400 kg car at 1.5 m/s2?
  6. When a boy exerts a force of 18 N on a rock, the rock accelerates forward at 17 m/s2. What is the mass of the rock?
  7. A constant forward net force of 870 N is applied to a motorcycle and rider with a total mass of 310 kg. How far will the motorcycle travel in the first 16 s, starting from rest?
  8. Find the weights of these objects: 1. 1800 kg car 2. 0.12 kg baseball
  9. Find the masses of these objects: a. 1. 14 N box 2. 680 N girl
  10. A 75 kg astronaut travels to the moon. What is his weight... 1. on earth?2. on the moon, where g = 1.6 m/s2?
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