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`name _______________________ period _____ Mousetrap Catapult Task 1. Construct a catapult using a mousetrap for power. 2. The catapult is to launch a ping pong ball. 3. Conduct an experiment about the catapult. Collect data of at least 5 launches for each change to your catapult. Measure how far the ping pong ball travels. 4. Any change to your catapult must be measured. Example: Test spoon lip at 5 cm, test spoon lip at 3 cm. 5. Find the MA and work done by your catapult, put the results on the &quot;Catapult Lab&quot; WS. See below. 6. Write the experiment up using the &quot;Inquiry Lab&quot; form. 7. Transfer the write up to a &quot;Word&quot; document, include a picture of your catapult. Make a spreadsheet or table of your data. Include a scale drawing of your catapult with parts and distances labeled. Catapult Lab WS 1. Measure the following of your catapult: a. Mousetrap bail length (from center pivot to the end of the bail) ____________________ cm b. Lever arm length (from center of pivot to center of ping pong ball) ________________ cm c. Force on mousetrap bail (at bail end) ___________________ N d. Mass of ping pong ball ________________g. e. Weight of ping pong ball (100 g =1 N) ________________ N f. Measure the distance the cup travels when the catapult is fired. _________________________ cm g. Measure how far the ping pong ball will travel, when it is still on the catapult _______________ cm 2. Find the mechanical advantage of the lever arm. MA lever arm =mousetrap bail length catapult lever arm lengthMA lever arm = _____________3. Find the work done by the catapult on the ping pong ball. Force on ping pong ball = Force on spring Work ping pong ball = Force on ping pong ball MA lever arm Distance ball travels on the catapult Force on ping pong ball = __________N Work ping pong ball = ____________`

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