Chemistry, 27.11.2019 21:31 emmabarnett817
You are out and about in the country and your father sees a rock that he really wants in the yard. now you must get the very heavy rock into the back of a truck. the truck bed is 3 feet off the ground. your father pulls out a 5-foot plank and begins to set up a ramp. at the same time, you (who know about mechanical advantage! ) have found a plank that is 8 feet long, and you show it to your father. which plank will give you the most mechanical advantage? calculate the ma for each plank.
me solve this! it's got me confused
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You are out and about in the country and your father sees a rock that he really wants in the yard. n...
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