Page 94 - Primary Five Science

Mass

This is the quantity of matter something has. Its standard unit

is kg .

Instruments used to

measure Mass:
.
 Weighing scale

 Beam balance
 Scale balance

 Spring balance

 weighing scales

Weight

Weight is the force of gravity acting on an object by the earth.

Weight is measured in new tons (N). Weight is how heavy an
object is.

Weight is = Mass x Gravity
Gravity is the force of the earth that pulls down objects?

Or It is the force of attraction that pulls objects towards

the center of the earth.

On earth, the gravitational force acting on mass is 10N