Unit 4E_Friction_assessment

Unit 4E_Friction_assessment - Unit 4E Friction. Name_ Date_...

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Unit 4E Friction. Name_____________________________ Date_____________________________ 1. What is the name of the device with which you would measure the force needed to move an object along a surface? ___________________________________________ 2. Cross out the wrong word in this sentence: A BIGGER/SMALLER reading shows that it is more difficult to get an object moving. 3. Some children do an investigation into which surface makes it most difficult to get an object moving. They try moving a pile of books along a carpet, a wooden table and a plastic worktop. Here are their results: Carpet 9N Wood 6N Plastic 4N Explain which surface created the greatest friction and how you can tell this from the results. ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ 4. Here are some surfaces. Put them into the correct columns below:
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This note was uploaded on 11/29/2011 for the course PHYS 122 taught by Professor Terry during the Fall '11 term at BYU.

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Unit 4E_Friction_assessment - Unit 4E Friction. Name_ Date_...

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