# Work, Energy & Simple Machines

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Work, Energy & Simple Machines

Formula Triangle Foldable Page | 13 Step 1: Cut out circle. Step 2: Find center and lightly mark for reference. Step 3: Pick any edge on circle and fold towards center of circle – make a crease. Step 4: Pick opposite edge of paper and fold towards center overlapping edges and forming a cone shape – crease edge. Step 5: Fold the final edge down towards center forming an equilateral triangle. Glue into Scientific Interactive Notebook and fill in definitions. http://www.NittyGrittyScience.blogspot.com ©Erica L Colón 2013 Practice Problems: Work Directions: Cut and paste the following work calculations into your Science Interactive Notebook. Use your Formula Triangle Foldable to complete the following word problems. 1. A mule pulls of cart of milk 10 meters with a force of 50 newtons. Calculate the work done by the mule. 2. A box is pushed 40 meters by a mover. The amount of work done was 2,240 joules. How much force was exerted on the box? 3. How much work is done on a pumpkin with a force of 16 newtons when you lift it 1.5 meters? 4. What distance did the boulder with a force of 24 newtons travel if 240 joules of work was done on it? 5. Mark pushed his stalled car with a force of 9000 newtons but was unable to move it. How much work did Mark do? http://www.NittyGrittyScience.blogspot.com ©Erica L Colón 2013 Page | 14