3 Lab 6 Newton's Laws and Relative Motion.docx

# 3 Lab 6 Newton's Laws and Relative Motion.docx - Physics...

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Physics 111 Lab 6: Newton’s Laws and Relative Motion Names of the students who worked on this lab (each student should use a different color): Emmie Nguyen, Mohammed Alhumidiaherz, Veronica Hernandez, Tanner Myhre When you are done with the lab, please fill out the peer evaluation form linked below for you and your partners. If you don’t fill out a peer evaluation and defend any low scores by the day after the lab is due, you will lose 2 points. Q0uMROQ/viewform?usp=sf_link Part I: Inertia – A Body at Rest In this part of the activity, you will investigate inertia. In it, you will try to quickly remove a sheet of paper from under an object without moving the object on top. Before you begin, predict what will happen and why. Do you expect that the results will depend on the mass of the object on top? Based on the weight, NOT mass of the object, when we pull the piece of paper out from under the object as quickly as possible, all of the objects will move but very slightly depending on its mass and at the velocity of which the paper is being pulled at. Yes, the mass of each object will affect the rate of velocity of which the paper is being pulled at. Procedure: 1. Place the paper on a smooth flat surface. 2. Place a book on top of the paper. Quickly yank the paper out from under the object. 3. Try again for three other objects with different masses. 4. Record your observations for each different object below, and which objects you used. Did your results match with what you expected? (It’s okay if they don’t; that’s how we learn in science.) Object Book Tall Bottle of Water Cooking Pot My Phone prediction will move will move will move will move Mass or weight (approximate) 2.5 kg 0.7 kg 0.5 0.2 kg Observations The book moved but very minimal The bottle was shaking but didn’t fall over The pot moved a little bit Moved a little YEs, as predicted, all of the objects did move, whether little or a lot, they all moved. 5. Can you explain your results in terms of Newton’s Laws of Motion? (Hint: Are you

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pulling on the object? Will there be a pair of forces between the object and paper?) Even if one person answers this initially, each other person in the group must add something to the explanation.
• Winter '19
• Bruce Palmquist

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