Question:
Question 19 A screw jack lifts a load of 30 KN by an effot
Last updated: 6/14/2023
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Question 19 A screw jack lifts a load of 30 KN by an effot of 400 N applied at the end of handle of 80 cm If the pitch of screw is 20 mm calculate efficiency of the machine 2 98 20 48