Question 6
The velocity ratio and efficiency of a system of pulleys are 6 and 80% respectively. How much effort is required to lift a load of mass 120kg with this system? (g=10ms-2)
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 1996
- Question no.
- #6
- Type
- Objective
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