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A) Find the acceleration of my cousin and the sled WITHOUT FRICTION.

B) Find the acceleration of my cousin and the sled WITH FRICTION.

C)If we doubled the mass of the sled and the child, would the acceleration increase, decrease or stay the same?

D)If we go to the moon, where g=1.63m/s^2, and pulled the child across the same surface (just pretend it's snowing on the moon) would the acceleration increase, decrease, or stay the same?

E) skept the graph of Ff(y-axis) vs Fapp(x-axis) until Fapp is 500N.

## The Attempt at a Solution

A) 3.7

b) 3.16

c) decrease

D) increase

E) I got a straight line where Ff=18.4N from 0 Fapp to 500 Fapp