Placing the Fulcrum on a Seesaw (8:58)
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Example: A 200.0 g mass is placed at the 20.0 cm mark on a uniform 93 g meterstick. A 100.0 g mass is placed at the 90.0 cm mark. Where on the meterstick should the fulcrum be placed to balance the system? This is an AP Physics 1 Topic.
Content Times: 0:01 Seesaw 0:33 The problem 1:28 The fulcrum 2:14 Free body diagram 2:38 Net force 3:35 Net torque 5:49 Combining equations 7:11 Testing our answer 8:11 Alternate solution |
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