Question 29
In this investigation, place a sturdy plank (1–2 metres long) on a fulcrum so it is evenly balanced. Mark evenly spaced points on each side using a metre stick or tape measure. Use weights of known weight. Work in groups.
In Step 8, one weight on a re-balanced seesaw was replaced by a heavier or lighter weight at the same position. Based on your knowledge of moments, explain your prediction in Step 8.
In Step 8, one weight on a re-balanced seesaw was replaced by a heavier or lighter weight at the same position. Based on your knowledge of moments, explain your prediction in Step 8.
