7 A plank has a 2.0 N weight placed on it, 0.50 m from one end. 0.50m 2.0N X pivot vot (Plann M = F xd plank ACW = 2x0-50 = 1 The plank weighs 3.0 N and is 2.0m long. The plank's centre of gravity is at its centre, = 3x2 6=0-50x2)+(2- =6Nm 6+1 +(220) 2x=6-1 (B (c 2x= A pivot is used to balance the plank. It is placed a distance X from the left-hand end of the plank. What is the value of X? X=2.5
7 A plank has a 2.0 N weight placed on it, 0.50 m from one end. 0.50m 2.0N X pivot vot (Plann M = F xd plank ACW = 2x0-50 = 1 The plank weighs 3.0 N and is 2.0m long. The plank's centre of gravity is at its centre, = 3x2 6=0-50x2)+(2- =6Nm 6+1 +(220) 2x=6-1 (B (c 2x= A pivot is used to balance the plank. It is placed a distance X from the left-hand end of the plank. What is the value of X? X=2.5
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Transcribed Image Text:7
A plank has a 2.0 N weight placed on it, 0.50 m from one end.
0.50m
-plank
ACW = 2x0-50
= 1
The plank weighs 3.0 N and is 2.0m long.
6-(0-50x2)+ (2x2) ²2
6+1 +(229)
(B)
The plank's centre of gravity is at its centre,
2x=6-1
2x:
A pivot is used to balance the plank. It is placed a distance X from the left-hand end of the plank.
end of
x=2.5
What is the value of X?
B
A
0.20m
2.0N
X
0.30 m
pivot
Not(Plany M = F xd
C 0.80m
= 3x2
= 6Nm
me
D
DO NOT WRITI
1.4m
DO NOT WRITE IN THIS MARGIN
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