The pitch of a screw jack is 0.45cm and the arm is 60cm long. If...
PHYSICS
JAMB 2019
The pitch of a screw jack is 0.45cm and the arm is 60cm long. If the efficiency of the Jack is 75/Ï€ %, calculate the mechanical advantage.
- A. 400
- B. 300
- C. 200
- D. 150
Correct Answer: C. 200
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