A uniform half metre rule is freely pivoted at 15cm mark and it balance horizontally when a body of mass 40g is hung from 2cm mark.calculatethe mass of the object placed 10cm to the end of ruler
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Answer:
the mass of the object will be 8g
Explanation:
at 2 cm
mass = 40g
at 10cm
we will divide the mass by 5
since 2cm × 5 = 10cm
therefore - 40÷5 = 8g
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