Question text
7 A beam on a pivot supports a load P at one end and a load Q at the other end. The weight of the beam can be ignored. 30 cm 70 cm pivot P Q The beam is balanced. Which row gives possible values for P and for Q? P / N Q / N A 21 7 B 21 9 C 30 10 D 30 70
7 A beam on a pivot supports a load P at one end and a load Q at the other end.
The weight of the beam can be ignored.
30 cm 70 cm
pivot
P Q
The beam is balanced.
Which row gives possible values for P and for Q?
P / N Q / N
A 21 7
B 21 9
C 30 10
D 30 70
Select your answer: