Using Machines Flashcards
1
Q
device that makes doing work easier
A
machines
2
Q
machines make work easier by _______ the force that can be applied to an object
A
increasing
3
Q
the force applied to machine
A
input force (Fin)
4
Q
the force applied by machine
A
output force (Fout)
5
Q
the ratio of the output force to the input force
A
mechanical advantage
6
Q
how do you find mechanical advantage?
A
MA= Fout/Fin
7
Q
measure of how much work put into a machine is changed into a useful output work by the machine
A
efficiency
8
Q
machines can me made more efficient by _______ friction
A
reducing
