Suppose two children push horizontally, but in exactly opposite directions, on a

Question

Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts a force of 75.0 N, the second a force of 93.0 N, friction is 12.0 N, and the mass of the third child plus wagon is 22.0 kg.

(a) What is the system of interest if the acceleration of the child in the wagon is to be calculated? (Select all that apply.)

the wagon and the child in the waggon were the correct answers

(c) Calculate the acceleration.
____.27__ m/s2 .27 is the correct answer
(d) What would the acceleration be if friction is 18.0 N?

D is my only question

Explanation / Answer

part D:

net accleration a = Fnet//mass

a = (93 -18 - 75)/m

a = 0 m/s^2

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