3A1 Chapter 7: Simple Machines,
Pressure, Density & Flow fully solved
rated A+
Device that receives energy and uses it to perform work - correct answer
✔✔Machine
Device that receives energy from single input force and performs work by producing
single output force - correct answer ✔✔Simple machine
Force applied to simple machine - correct answer ✔✔Effort
Force that simple machines produce - correct answer ✔✔load
A force acting through a distance - correct answer ✔✔Work
Load / effort = - correct answer ✔✔Mechanical advantage
effort / load - correct answer ✔✔velocity ratio
If a machine has no losses, efficiency would be 100% and MA = VR - correct answer
✔✔Ideal machine
MA / VR - correct answer ✔✔Efficiency
Work output / work input = - correct answer ✔✔Efficiency
Ideal MA = - correct answer ✔✔VR
