23. Find the perimeter of the polar curve r = 4 sin 0. a. 4π b. 8 c. 16x d. 2π 24. A helical spring with a modulus of 100 N/cm has a natural length of 1 m. How much work is required to compress the spring from a length of 80 cm to 60 cm? a. 600 N.m b. 1400 N.m c. 1000 N.m d. 800 N.m

23. Find the perimeter of the polar curve r = 4 sin 0. a. 4π b. 8 c. 16x d. 2π 24. A helical spring with a modulus of 100 N/cm has a natural length of 1 m. How much work is required to compress the spring from a length of 80 cm to 60 cm? a. 600 N.m b. 1400 N.m c. 1000 N.m d. 800 N.m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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