Question 3
A pulley system has three ropes supporting a load of 35kg. if an effort of 150 N is needed to lift the load, what is the efficiency of the pulley (g=9.8 m/s*)
Objective
Question details
- Exam body
- DELSU
- Subject
- Physics
- Year
- 2014/2015
- Question no.
- #3
- Type
- Objective
More from this paper
- Q1If the kinetic energy of a system is conserved after a collision and the…
- Q5If a magnet is broken in the middle in an attempt to separate the poles, one…
- Q6The temperature at which the water vapour present in the air saturates the air…
- Q7When a girl moves towards a plane mirror at a speed of 4.0m/s, the distance…
- Q8A quantity which in direction to magnitude requires the specification to its…
- Q9A car running at 30m/s accelerate at 2m/s 2 for 20 seconds. What will be the…