We appreciate your visit to When you weigh yourself on solid ground your weight is 155 lb In an elevator your apparent weight is 135 lb What is your apparent. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Final answer:
The correct option is c. (135) lb.
Explanation:
In this scenario, the elevator's failure and subsequent free fall means that the force due to gravity is the only force acting on the person inside. When in free fall, there is no normal force exerted by the scale on the person, hence the apparent weight would be zero. However, the question asks for the apparent weight during the period just before the elevator's braking system engages, which we are told is 135 lb. Since we're assuming the brakes haven't engaged yet, the person's apparent weight is still less than their actual weight due to the elevator's acceleration or deceleration. If the apparent weight is 135 lb, this means the elevator is either accelerating downwards or decelerating from an upward motion, both situations are reducing the normal force exerted by the scale, which is interpreted as weight by the scale.
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