Complete the data sets for the following situations. Please show your work to ex

Question

Complete the data sets for the following situations. Please show your work to explain how you determine the missing forces or distance In the second situation in Question 1, there is a 400 N person (force) on the right-hand side of the fulcrum that "balances" the 300 N person (force) on the left-hand side. If you still wanted to balance the 300 N person located 4 m away from the fulcrum, but with a 250 N person on the right-hand side (instead of the 400 N person), where would the 250 N person need to be located? 3) In the second situation in Question 1, there is a 400 N person (force) on the right-hand side of the fulcrum that "balances" the 300 N person (force) on the left-hand side. If you still wanted to balance the 300 N person located 4 m away from the fulcrum, but with a 150 N person on the right-hand side (instead of the 400 N person), where would the 150 N person need to be located? 4) In the second situation in Question 1, there is a 400 N person (force) on the right-hand side of the fulcrum that "balances" the 300 N person (force) on the left-hand side. If you still wanted to balance the 300 N person located 4 m away from the fulcrum, but with a 100 N person 1 m from the fulcrum on the right-hand side (instead of the 400 N person), you? Will need another 100 TV person on the right-hand side. Where should the second 100 TV person need to be located?

Explanation / Answer

(2 )this problem belongs to translatory and ratatory dynamices of the body

the main principle involues in this condition to balance the condition

F1/F2 =d2/d1

where F1 =load to be lifted

d1 =load arm

d2=effort arm

F2 =the effort to lift the ioad

F1/F2 =mechanical advantage

so basing on this condition we solve

(1)ANS

(a) the mechanical advantage

F1 =?

F2=500N

d1=4m

d2=2m

so the codition of mechanical energy

F1/F2 =d1/d2

F1/500 = 2/4

F1 = 500*2/4

1000/4=250 N

(b)ans :

basing on mechanical advantage

F1=300 N

F2 =400 N

d1=4 m

there fore basing on above condition

F1/F2 =d2/d1

300/400 =d2 /4

1200 /400 d2

d2 =3m

to balance the mechanical advantage d2 =3m

(c) ans

the F1=600N

the weight of the board

w=F1*3/4

=600*3/4 =1800/4=450 N

(2) ANS

WE USING QUESTION NO 1

IN F1=300 N

F2=250 N

basing on mechanical advantage of rigid body

F1/F2 =d2/d1

300 /250=d2 /4

d2= 1200/250

=4.8 m

the 250 Nperson located at to balance in 4.8 m

(3) ans :

the question no 1

basing on mechanical advantage

F1=300 N

F2=150 N [instead of 400 n]

d1=4m

d2=?

basing on mechanical equalibrium

F1/F2 = d2/d1

300 /150 = d2 /4

d2 =1200/150

= 8 m

the distance of 150 N located on to balance =8 m

(4) ANS

similarly condition

force F1 =300N

Force N1 =100 N

force N 2 =100 N

d1 =4m d2=1m d3 =?

basing on mechanical advantage

F1d1 =N1d2+N2d3

300*4 =100*1 +100*d3

1200=100+100D3

1100 =100d3

d3 =11 m

the distance of 100 N os located =11 m

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