A uniform half metre rule is freely pivoted at the 15 cm mark and it balances horizontally when a body of mass 40g is hung from 2 cm mark
A. Draw a clear first diagram of the arrangement
B. Calculate the mass of the object placed 10 cm to the end of the meter rule
3 answers
A uniform half metre rule is freely pivoted at the 15cm mark and it is balanced horizontally when a body of mass 40g is hung from the 2cm mark draw a clear first diagram of the arrangement and calculate the mass of the rule
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