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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

A setup similar to the one shown in Figure P4.53 is often used in hospitals to support and apply a traction force to an injured leg. (a) Determine the force of tension in the rope supporting the leg. (b) What is the traction force exerted on the leg? Assume the traction force is horizontal.

images

Figure P4.53

(a)

To determine
The tension on the rope.

Explanation

Given Info: Mass attached is 8.0 kg.

The free body diagram is given below.

The tension (T) equals the weight.

T=mg (I)

  • m is the mass attached.
  • g is the acceleration due to gravity.

Substitute 8.0 kg for m and 9.8ms2 for g in Equation (I) to get T.

T=(8

(b)

To determine
The traction force.

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