8.All of the following are simple machines except one. Please select the choice that is NOT a simple machine. A. Wheel and axel B. Screw C. Dish Washer D. Bike 9. We use simple matchines in our daily life. If i use a knife to cut my sandwitch for lunch,_ _ _ _ _ . A. I've used less force and done less work.
B. I've used more force and done more work.
C. I've used less force and done the same amount of work.
D. A knife is not an example of a simple machine.