A 1200-Kg Car Is Being Raised with a Constant Acceleration

question 6

Multiple Choice

A 1200-kg car is being raised with a constant acceleration of 2.53 m/s² by a crane, using a 20-m long steel cable, 1.5 cm in diameter. Young's modulus for steel is 20 × 10¹⁰ N/m². What is the change in length of the cable?

• A) 8.4 mm
• B) 8.4 cm
• C) 4.9 mm
• D) 4.9 cm
• E) 4.9 m

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Definitions:

Epithelial Tissue

A type of tissue that forms the outer layer of the body's surfaces and lines internal organs and cavities.

Connective Tissue

A type of tissue in the body that supports, binds together, and protects organs, consisting of cells embedded in an extracellular matrix.

Integumentary System

The body’s covering, including the skin and its nails, glands, hair, and other associated structures.

Exocrine Glands

Glands that release their secretions through ducts onto an epithelial surface, such as sweat, salivary, and digestive glands.