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| 183_notes:examples:videoswk7 [2016/08/16 17:10] – created waterso8 | 183_notes:examples:videoswk7 [2016/08/17 18:44] (current) – waterso8 | ||
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| === Video ==== | === Video ==== | ||
| + | Part 1: | ||
| + | You want to push a 40 kg box along a floor that has a coefficient of friction of .6. | ||
| + | |||
| + | a) Calculate the expected friction force that will act against your motion. | ||
| {{youtube> | {{youtube> | ||
| ---- | ---- | ||
| + | Part 2: | ||
| + | You apply a force of 350 N for a distance of 20 m. How much work was done? | ||
| {{youtube> | {{youtube> | ||
| ---- | ---- | ||
| + | Part 3: | ||
| + | c) You soon meet an incline of 15 degrees, 6 m in height. How does the work change if you apply the same force up the incline? | ||
| {{youtube> | {{youtube> | ||