Front

What is a spring scale?

Back

A spring scale is a device used to measure weight by the distance a spring stretches or compresses under the load.

Front

What is the primary function of a spring scale?

Back

To measure weight.

Front

How does a spring scale work?

Back

A spring scale works based on Hooke's Law, which states that the force exerted by a spring is directly proportional to its displacement.

Front

What units are commonly used to measure weight with a spring scale?

Back

Common units include grams (g), kilograms (kg), and pounds (lbs).

Front

What do restaurants, cafeterias, and grocers use spring scales for?

Back

To measure weight.

Front

What is Hooke's Law?

Back

Hooke's Law states that the force exerted by a spring is proportional to the distance it is stretched or compressed.

Front

What is the difference between weight and mass?

Back

Weight is the force exerted by gravity on an object, while mass is the amount of matter in an object.

Front

What is the formula for calculating weight?

Back

Weight (W) = mass (m) × gravitational acceleration (g).

Front

What is gravitational acceleration on Earth?

Back

Approximately 9.81 m/s².

Front

How can you convert grams to kilograms?

Back

To convert grams to kilograms, divide the number of grams by 1000.