Short answerEasy1 mark
5(b)
A half metre rod is pivoted at the centre with two weights of 20 gf and 12 gf suspended at a perpendicular distance of 6 cm and 10 cm from the pivot respectively as shown below.

Is the rod in equilibrium?
Topic: Force, moments and circular motion
Previous-year question practice database
Answer
Exam answer
Yes.
Explanation
20×6 = 12×10 = 120 gf cm, so clockwise and anticlockwise moments are equal.
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