Which simple machine makes work easier by converting a small force exerted over a large distance into a larger force over a smaller distance?.

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.