A weight of 240 N is dropped on to a close-coiled helical spring made up of 18 mm spring steel wire. the spring consists of 22 coils wound to a diameter of 180 mm. If the instantaneous compression is 120 mm, what is the height of drop of the weight, given G = 88 × 103 N / mm2?

A weight of 240 N is dropped on to a close-coiled helical spring made

1.	A weight of 240 N is dropped on to a close-coiled helical spring made up of 18 mm spring steel wire. the spring consists of 22 coils wound to a diameter of 180 mm. If the instantaneous compression is 120 mm, what is the height of drop of the weight, given G = 88 × 103 N / mm2?
A.	450 mm
B.	300 mm
C.	250 mm
D.	150 mm
Answer» E.

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A weight of 240 N is dropped on to a close-coiled helical spring made up of 18 mm spring steel wire. the spring consists of 22 coils wound to a diameter of 180 mm. If the instantaneous compression is 120 mm, what is the height of drop of the weight, given G = 88 × 103 N / mm2?

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