Question

State the precautions taken to ensure accurate measurement when having an experiment using the principle of moment

Answer 1

Moments

Precaution: balance the ruler being used first.

Precaution: balance the ruler being used first.Use distances from the pivot of greater than 25 cm (250 mm).

Precaution: balance the ruler being used first.Use distances from the pivot of greater than 25 cm (250 mm).Weigh the unknown and known masses in your hands before using the ruler, and place the lighter mass as far from the pivot as possible.

Precaution: balance the ruler being used first.Use distances from the pivot of greater than 25 cm (250 mm).Weigh the unknown and known masses in your hands before using the ruler, and place the lighter mass as far from the pivot as possible.Measure distances from the pivot to the centre of mass of the object.