Question

make a balance to measure weight​

Answer 1

Answer:

Place the ruler on top of the pencil. Use the measurement markings on the ruler to ensure the pencil is directly in the middle. Balance the ruler on the pencil. If one side is heavier, trim the cardboard until the scales are balanced.

Step-by-step explanation:

Answer 2

Answer:

A mechanical scale or balance is used to describe a weighing device that is used to measure the mass, force exertion, tension and resistance of an object without the need of a power supply. Types of mechanical scale include spring scales, hanging scales, triple beam balances and force gauges.