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A 35 kg child sits in a swing supported by two chains, each 4.5 m long. If the tension in each chain at the lowest point is 257 N, find the child's...

A 35 kg child sits in a swing supported by two
chains, each 4.5 m long.
If the tension in each chain at the lowest
point is 257 N, find the child’s speed at the
lowest point. (Neglect the mass of the seat.)
Answer in units of m/s.

Find the force of the seat on the child at the
lowest point.
Answer in units of N.
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Top Answer

Dear student, please... View the full answer

Weight.docx

Weight = 35x9.81 = 343.35
Let speed be v m/s; r = 4.5m and T = 257N
Now 2T = W + mv2/r
257x2 = 343.35 + 35xv2/4.5
v = [(257x2-343.35)x4.5/35]^(.5)
v = 4.68 m/s

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