Forces in equilibrium questions | form two Physics

A uniform half metre rule is freely pivoted at the 20 cm mark and it balances horizontally when a body of mass 30 g is hung at 5 cm mark from one end. Calculate the mass of the rule.

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UNSOLVED

What is meant by equilibrium?

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List three applications of equilibrium in daily life.

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When walking a man exhibits the following equilibrium:
A. clockwise
B. neutral
C. stable
D. unstable.

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1. Define the term “centre of gravity”.
2. A uniform half-metre rule is freely pivoted at 15 cm mark and it balances horizontally when a body of mass of 40 g is hung from a 2 cm mark.
   (i) Draw a clear labeled diagram to illustrate the forces on a half-metre rule.
   (ii) Calculate the mass of the rule.
    

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UNSOLVED