Question Detail

PHY 101 PHY 101 Past Questions Objective Question

Question

Suspension cables are used to carry gondolas at ski resorts. Consider a suspension cable with an unsupported span of 3020 m, diameter 5.6 cm, maximum tension 3.0×10^6 N, and Young's modulus 210×10^9 N/m². Calculate the amount of stretch in the steel cable.

Options
A 12 m
B 14 m
C 6 m
D 18 m
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

The amount of stretch in the steel suspension cable is approximately 17.52 m.

Hint

Use Young's modulus formula: stress = modulus × strain.

Question Info