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A 0.125 kg frozen hamburger patty has two forces acting on it that determine its horizontal motion. A 2.30 N force pushes it to the left, and a .800 N force pushes it to the right. (a) taking right to be positive, what is the net force acting on it. (b) what is its acceleration



Answer :

The net force simply the sum of two forces:
Negative and positive are assigned to those forces to show direction because it is a vector.
So, given that left is negative and right is positive;
a)
2.30N - .800N = 1.50 N

Given the equation F = ma, where m= 0.125 (mass) and F = 1.50 (force), we can solve for a (acceleration).
b)
1.50 N = (0.125 kg) a
a = 12.0 ms^-2


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