A 55-Cm Steel Rod Has a Diameter of 30 Cm

question 25

Multiple Choice

A 55-cm steel rod has a diameter of 30 cm. The compressive strength of steel is 500 × 10⁶ N/m². What is the compression force that would break the rod?

• A)3.5 × 10⁷ N
• B)2.4 × 10⁷ N
• C)1.4 × 10⁸ N
• D)4.7 × 10⁸ N
• E)8.9 × 10⁸ N

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Definitions:

Retinal Ganglion Cells

Neurons located in the retina that receive visual information from photoreceptors via intermediate bipolar cells and transmit it to the brain through the optic nerve.

Receptive Fields

Specific areas where sensory neurons are activated or inhibited by various types of stimuli such as light, sound, or touch.

Photoreceptor

A specialized type of cell found in the retina that transforms light into electrical signals, initiating the process of visual perception.

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and visual clarity in well-lit conditions.