Students determine the forece saved and mechanical advantage of 4 inclined planes. Students determine the M.A. of levers. Students predict mass necessary to balance levers. Students predicet where a 100g weight should be placed to balance a lever. Arm 23 Spring Calibration 1.
Students determine the stretch of a spring vs. weight.
Students determine stretch of spring with an unknown object. Students make a graph, interpolate the weight of unknown object. The Measurement of Speed 1. Students determine their own speed over a 50 m course. 25 Buoyancy 1.