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1. A student measures the minimum force (F) needed to lift various loads (W) using two pulleys. The student finds that F increases linearly with W. 2. Another student determines the density of a liquid by measuring its volume in a cylinder and then finding its mass. An incorrect volume measurement would result in an incorrect density value. 3. A student measures the thickness of paper sheets by folding a single sheet multiple times and by measuring the thickness of a whole pack. Folding a single sheet

Author

Kalana Gamage

Language

EN