Example (2)-next class With respect to Figure Q1, calculate the maximum height (

Question

Example (2)-next class With respect to Figure Q1, calculate the maximum height (in meters) the ball with mass 1 kg can be released from rest in order for the maximum shear stress in the helical compression spring not to exceed 80% of the torsional yield strength (So) when the ball comes to complete rest by compressing the spring. Given Ssy 0.45 S Given.: Spring wire is steel music wire with diameter of 6 mm, mean coil diameter of 42 mm, spring free length of 50 mm, fractional overrun- 0.15 and G 80 GPa. The spring is plain with one end clamped and the other end free. Assumptions: Ignore friction. Spring did not undergo any strengthening process. Note: The number of coils should be an integer.

Explanation / Answer

The answer of following question is as follows.

The maximum height In the meter is 16m

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