Topic 3 Flashcards
(10 cards)
1
Q
Mass
A
The amount of matter in a substance.
2
Q
Primary Standard
A
The name given to a to a small metal cylinder on which the kilogram is based equivalent to 1 kg.
3
Q
Kilogram
A
The p rimary measurement of mass in S1, equal to 1000g
4
Q
Balance
A
A device to measure mass.
5
Q
Forces
A
A push or pull, or anything that causes a change in the motion of an object.
6
Q
Newton (N)
A
The standard unit of force in the system international dā unites.
7
Q
Force meter
A
A scientific device used to measure force also called a spring scale.
8
Q
Gravitational force
A
The force exerted by gravity on an object.
9
Q
weight
A
The force of gravity exerted on a mass.
10
Q
Force diagram
A
A drawing that uses arrows to represent the direction and strength of one or more forces.
