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1) The figure below shows a mobile consisting of four weights hanging on three r

ID: 1291226 • Letter: 1

Question

1) The figure below shows a mobile consisting of four weights hanging on three rods of negligible mass, where w = 2 N and  x1= 4.9 cm. Find the value of each of the unknown weights if the mobile is to balance. (Hint: Find the weight w1first.)

w1 =?

2) w2=?

3) w3=?

1) The figure below shows a mobile consisting of four weights hanging on three rods of negligible mass, where w = 2 N and x1= 4.9 cm. Find the value of each of the unknown weights if the mobile is to balance. (Hint: Find the weight w1first.) w1 =? 2) w2=? 3) w3=?

Explanation / Answer

w1 = 2*3/4.9 =1.22 N

w2 = (2+1.22)*4/2 = 6.44 N

w3 = (2+1.22+6.44)*2/6 = 3.22 N

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