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Chapter: 19 / Q: 4
Consider the action of moving from having both feet fl at on the ground to standing on “tip toes”. Which of the following correctly identifi es the fulcrum, the load force, the effort force and the lever?
Chapter: 19 / Q: 5
A person whose mass is 65 kg would have a weight closest to:
Chapter: 19 / Q: 6
Which statement is consistent with “good lifting technique”?
Chapter: 19 / Q: 7
When two forces of magnitude 6 N and 10 N are added vectorially, what value could the resulting vector NOT have?
Chapter: 19 / Q: 8
In a Hamilton-Russell traction system, a moveable pulley provides a mechanical advantage. What does this mean? That the
Chapter: 19 / Q: 9
In straight leg traction (Buck’s extension) the force of counter traction is supplied by friction (between the patient and the bed) and also by:
Chapter: 19 / Q: 10
A person whose mass is 50 kg would have a weight closest to:
Chapter: 19 / Q: 11
When two forces of magnitude 8 N and 12 N are added vectorially, what value could the resulting vector NOT have?
Chapter: 19 / Q: 12
A person who is standing on both of their feet is “stable” when:
Chapter: 19 / Q: 13
Use the equation P FA = ¸ to determine the pressure on the knee joint (area = 100 cm 2 ) when a 70 kg person is standing on one leg (assume that 70 kg is the body mass above the knee). Hint: convert cm 2 to m 2
total questions: 1878

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