A 15-Kg Child Is Sitting on a Playground Teeter-Totter,1

question 16

Multiple Choice

A 15-kg child is sitting on a playground teeter-totter,1.5 m from the pivot.What is the minimum distance,on the other side of the pivot,such that a 220-N force will make the child lift off the ground?

• A)1.0 m
• B)1.5 m
• C)0.10 m
• D)9.8 m
• E)2.4 m

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