*A boy sits on a tire swing that is attached to a rope. The rope passes over a pulley fastened to the ceiling, and then passes back down to the boy's hands. If the weight of the boy plus the tire is w, what is the force with which the boy must pull on the free end of the rope to support the tire?
*A boy sits on a tire swing that is attached to a rope. The rope passes over a pulley fastened to the ceiling, and then passes back down to the boy's hands. If the weight of the boy plus the tire is w, what is the force with which the boy must pull on the free end of the rope to support the tire?
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Transcribed Image Text:A. Draw its free-body diagram.
B. What is the magnitude and direction of the crate's acceleration?
A boy sits on a tire swing that is attached to a rope. The rope passes over a
pulley fastened to the ceiling, and then passes back down to the boy's hands
If the weight of the boy plus the tire is w, what is the force with which the bo
must pull on the free end of the rope to support the tire?
4. Pedro, not used to ice skating, got stuck in the middle of a frictionless skating
in the bleacher, with a light
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