•16 Some insects can walk below Rod a thin rod (such as a twig) by hang- Leg ing from it. Suppose that such an in- joint sect has mass m and hangs from a horizontal rod as shown in Fig. 5-35, with angle 0 = 40°. Its six legs are all under the same tension, and the leg sections nearest the body are hori- zontal. (a) What is the ratio of the tension in each tibia (forepart of a leg) to the insect's weight? (b) If the insect straightens out its legs somewhat, does the tension in each tibia increase, decrease, or stay the same? - Tibia Figure 5-35 Problem 16.

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.