Question

What are the main source of error in the experiment using gravesands apparatus

Answer 1

Answer:

here is the answer

Explanation:

1. Pulleys may have friction between them and the wooden surfaces. Please aplly oil before starting the experiment
2. Weights may not weigh accurately by the spring balance
3. The spring of the spring balance may suffer elastic lag so the reading may not be correct
4. Tjhe points of the block boundary may not be plotted correctly

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