# Look at the blue lines coming from the fan in which

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Chapter 5 / Exercise 5-4
A+ Guide to Hardware
Andrews/Dark
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1. Look at the blue lines coming from the fan. In which direction is the air pushed? 2.Press Play ( ) and observe the cart. In which direction does the cart move? 3.The velocity (v) of the cart is its speed and direction. Click Reset ( ). Select the BAR CHART tab, and click Play. Does the velocity change or stay the same Question: What happens to the cart when there is no force? 1. Form hypothesis: What will the motion of the cart be like when there is no force at all? 2.Predict: Suppose a cart with no fans has a starting velocity of 2 m/s. What will be the velocity of the cart when it reaches the wall? 3. Experiment: Check that there are no fans on the cart. On the DESCRIPTION tab, set the Initial velocity of cart to 2.0 m/s. Select the BAR CHART tab, and click Play. What do you notice about the velocity of the cart? 4. Experiment: Click Reset. Place two fans on the cart, and point them in opposite directions. (Next to DIRECTION, click the button for one fan.) Turn both fans on, and click Play. What do you notice about the velocity of the cart
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The document you are viewing contains questions related to this textbook.
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Chapter 5 / Exercise 5-4
A+ Guide to Hardware
Andrews/Dark
Expert Verified