800+x-1300-400=0
800+x-1700=0
x=900
A different scaffold that weighs 400 N supports two painters, one 500 N and the other 400 N. The reading in the left scale is 800 N. What is the reading in the righth and
scale?
4 answers
The total upward force = total downward force
800N + X = 400 N + 500N + 400N
800N+X=1300N
X=1300-800
x=500N
800N + X = 400 N + 500N + 400N
800N+X=1300N
X=1300-800
x=500N
hhbh
upward net force= downward net force
800N+X=1300N
X=500N
800N+X=1300N
X=500N