Question

When balancing a ruler on your finger, the point of balance is the ruler's:

Options

• Densest point

• Centre of Gravity (which coincides with Centre of Mass)

• Longest point

• Heaviest end

Answer 1

Centre of Gravity (which coincides with Centre of Mass)

Explanation:

The balance point is where c.g. equals c.m. on Earth, where all gravitational effects act through that single point.