Part A In order to prevent muscie contraction from misaligning bones during healing (which can cause a permanent limp), injured or broken legs must be supported horizontally and at the same time kept under tension (traction) directed along the leg. One version of a device to accomplish this aim, the Russell traction apparatus, is shown in (Eigure 1). This system allows the apparatus to support the full weight of the injured leg and at the same time provide the traction along the leg It the leg to be supported weighs 44.0 N, what must be the weight of W? Express your answer in newtons. W Submit

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Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.