// allt
15 N
atr
ii) eva
8N
309
:)
450
Solutio
Weigh
:)
60°
A
10 N
diagram
Forces of magnitudes 15N, 10N and 8N act on
a body at 0 as shown in the diagram above.
Find, correct to three significant figures, the
magnitude of the force required to keep the
system in equilibrium.
N​

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected