Question 18 Consider the beam and weights shown. What approximate weight is needed at the arrow to balance the bar? Assume the beam has no mass ooo 124N 156 N 15.5 N 12.4 kg 10 m 4m isdick here to enlarge image 8m

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Chapter1: Units, Trigonometry. And Vectors
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I just want to make sure that I am doing this question correctly and also the answer is 155N.

Moment on left side = Moment on right side.

10kg*10m=100

6kg*4m=24

100+24=124

124/8m= 15.5N

15.5*10m/s 2 gravity = 155N

 

Question 18
Consider the beam and weights shown. What approximate weight is needed at the arrow to balance the bar? Assume the beam has no mass
ooo
124N
156 N
15.5 N
12.4 kg
10 m
4m
iddick here to enlarge image
8m
Transcribed Image Text:Question 18 Consider the beam and weights shown. What approximate weight is needed at the arrow to balance the bar? Assume the beam has no mass ooo 124N 156 N 15.5 N 12.4 kg 10 m 4m iddick here to enlarge image 8m
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