1-3 How does a spring scale work?
OBJECTIVE: Describe how a spring scale is used to measure weight.
Key Term
newton: SI unit of force
Lesson Summary
• The newton is the basic SI unit of force.
• An object’s weight is a measure of the force of gravity on the object.
• A spring scale measures the force of gravity on an object.
• There are many types of spring scales, such as bathroom scales and scales used in supermarkets.
Key Term
newton: SI unit of force
Lesson Summary
• The newton is the basic SI unit of force.
• An object’s weight is a measure of the force of gravity on the object.
• A spring scale measures the force of gravity on an object.
• There are many types of spring scales, such as bathroom scales and scales used in supermarkets.