A 15-kg child is sitting on a playground teeter-totter,1.5 m from the pivot.What is the magnitude of the minimum force,applied 0.30 m on the other side of the pivot,that is needed to make the child lift off the ground?
A)75 N
B)740 N
C)23 N
D)44 N
E)66 N

Question

Quizplus · Accepted Answer

The Answer of A 15-kg child is sitting on a playground teeter-totter,1.5 m from the pivot.What is the magnitude of the minimum force,applied 0.30 m on the other side of the pivot,that is needed to make the child lift off the ground?
A)75 N
B)740 N
C)23 N
D)44 N
E)66 N

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