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Direct linkCross, Rod – Physics Education, 2020
A well known physics problem is to calculate the friction forces required to support a ladder against a wall. A more tractable problem is to calculate the friction forces needed to support an inclined beam on a ball or a cylinder. In the latter case there are three rather than two points of sliding support. Measurements and calculations are…
Descriptors: Physics, Science Instruction, Scientific Concepts, Science Experiments
