Ur gedis increase velocity or force? Question 2
a) What type of gears are these?
b) What is the purpose of this type of gear?
(2)
c) Give an example of a product that uses this type of gear.
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What does the term discrediting mean?

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

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.