a man pulls a 50 box horizontally from rest while exerting a constant horizontal

Question

a man pulls a 50 box horizontally from rest while exerting a constant horizontal force, displacing the box 3.00 m in 2.00 sec. find the force the man exerts on the box. The answer is 75.0 N but I can’t figure out how to get there a man pulls a 50 box horizontally from rest while exerting a constant horizontal force, displacing the box 3.00 m in 2.00 sec. find the force the man exerts on the box. The answer is 75.0 N but I can’t figure out how to get there a man pulls a 50 box horizontally from rest while exerting a constant horizontal force, displacing the box 3.00 m in 2.00 sec. find the force the man exerts on the box. The answer is 75.0 N but I can’t figure out how to get there

Explanation / Answer

S= 0.5at2
3= 0.5*a*4
a= 1.5 m/s2
F= ma
= 50x1.5
= 75 N
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