A 1200-Kg Car Is Being Raised at a Constant Speed

question 38

Multiple Choice

A 1200-kg car is being raised at a constant speed by a crane, using a 20-m long steel cable, 1.50 cm in diameter. Young's modulus for steel is 20 × 10¹⁰ N/m². What is the change in length of the cable?

• A) 6.7 mm
• B) 6.7 cm
• C) 3.3 mm
• D) 3.3 cm
• E) 3.3 m

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