With regard to the physics of power systems used operate robots, which statement or statements are
most correct?
a) hydraulics involves the compression of liquids
b) hydraulics involves the compression of air
c) pneumatics involve the compression of air
d) chemical batteries produce AC power
most correct?
a) hydraulics involves the compression of liquids
b) hydraulics involves the compression of air
c) pneumatics involve the compression of air
d) chemical batteries produce AC power