Question 17
The diagram above illustrates a block ans tackle pulley system in which an effort E supports a load of 100.0N. If the efficiency of the machine is 75%, calculate the value of E
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 2015
- Question no.
- #17
- Type
- Objective
More from this paper
- Q13A uniform bar AB is balanced on a knife-edge which is 60cm from B by a mass of…
- Q14A body of mass 1000kg is released from a height of 10m above the ground…
- Q15The crackling noise produced by aluminum roofing sheets on a house during a hot…
- Q19A battery of emf 24V is connected to three resistor P, Q and R as illustrated in…
- Q20In an experiment in which a molten substance is allowed to cool, the cooling…
- Q21In an experiment in which a molten substance is allowed to cool, the cooling…