How can mass be measured?
Group of answer choices

bathroom scale

spring scale

balance

scale

The basic SI unit of mass is the kilogram (kg). In physics, mass is not the same as weight, even though mass is often determined by measuring the object's weight using a spring scale, rather than balance scale comparing it directly with known masses.

Balanced Scale

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it