100 points
if a driver gear has 15 teeth and the follower gear has 5 teeth, what would the gear ratio be?

a. 3: 1
b. 1: 3
c. 5: 1
d. 1: 5

Why is metal often used for cooking pan?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Energy flows from the producer level to the level. is called