Short answerEasy1.5 marks
5(b)
A uniform metre scale is in equilibrium as shown in the diagram :

Which of the following options is correct to keep the ruler in equilibrium when 40 gf wt is shifted to 0 cm mark?
Topic: Force, moments and circular motion
Previous-year question practice database
Answer
Exam answer
Shift the fulcrum to about the 27.8 cm mark from the 0 cm end.
Explanation
40x = 50(50−x), giving x≈27.8 cm.
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