A Stepladder Consists of Two Halves That Are Hinged at the Top

question 50

Multiple Choice

A stepladder consists of two halves that are hinged at the top and connected by a tie rod which keeps the two halves from spreading apart.In this particular instance,the two halves are 2.5 m long,the tie rod is connected to the center of each half and is 70 cm long.An 800-N person stands 3/5 of the way up the stepladder,as shown in the figure.The ladder is light enough that we can neglect its weight,and it rests on an extremely smooth floor.What is the tension in the tie rod? (Note: To solve this problem,it is helpful to imagine cutting the ladder in half vertically and consider the forces and torques acting on each half of the ladder. )

• A)140 N
• B)240 N
• C)280 N
• D)360 N
• E)560 N

Understand the various aspects of sexual orientation and gender identity.

Recognize the impact of societal norms and biases on individuals based on their sexual orientation or gender identity.

Identify and analyze instances of discrimination and marginalization within the LGBTQ+ community and broader society.

Understand the concept of non-traditional relationship structures and their societal perception.

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Definitions:

Peripheral Nerves

Nerves located outside the brain and spinal cord that connect the central nervous system to limbs and organs.

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brainstem down the back, central to the body's nervous system.

Brain Stem

The central trunk of the mammalian brain, connecting the brain to the spinal cord and supporting basic life functions.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood control.