Civil Engineering - Applied Mechanics - Discussion

Discussion Forum : Applied Mechanics - Section 4 (Q.No. 18)
18.
In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is
1.5
5
25
314
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Mostafa said:   6 years ago
Thanks, @Ankitsinh Rajput.
(1)

Ankitsinh Rajput said:   8 years ago
Distance moved by effort =2*π*L.

Distance moved by Load=pitch of the screw.
Velocity ratio = 2*π*L/pitch of screw,
= 2*π*450/9,
= 314 (ANS).
(2)

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