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The Diagram Below Is a Lever System

Question 148

Multiple Choice

The diagram below is a lever system. The purple box is the load; the red circle is a hinge joint. The dotted and dashed lines are artificial muscles, or actuators. The solid lines are skeletal elements, labeled #1 and #2. Say you add a 1 kg load, cause the flexor actuator to shorten, and measure the actuator's force output. You then increase the load to 4 kg and repeat the experiment. You expect the actuator's force output to _____ with the increased load. The diagram below is a lever system. The purple box is the load; the red circle is a hinge joint. The dotted and dashed lines are artificial muscles, or actuators. The solid lines are skeletal elements, labeled #1 and #2. Say you add a 1 kg load, cause the flexor actuator to shorten, and measure the actuator's force output. You then increase the load to 4 kg and repeat the experiment. You expect the actuator's force output to _____ with the increased load.   A) increase B) stay the same C) decrease


A) increase
B) stay the same
C) decrease

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