Measure with a dynamometer the friction force when moving three identical bars on the table in two cases
| August 5, 2020 | Education
Measure with a dynamometer the friction force when moving three identical bars on the table in two cases:
a) the bars lie on top of each other;
b) the bars are attached to each other. What conclusion can be drawn from experience?
a) the bars lie on top of each other
b) the bars are pinned to each other
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