The most common metals used for permanent magnets are iron, nickel, cobalt and some alloys of rare earth metals
decrease yeah free 100 percent
Answer:
The power required to move each bale is 30 lbf.ft/sec.
Explanation:
F= 40lbf * sin (30º)
F=20lbf
P= F*v
P=20 lbf * 1.5 ft/sec
P= 30 lbf.ft/sec