A 10kg crate on a smooth horizontal floor is pushed to the right by a 25N force while a rope pulls it to the left with 15N. Calculate the magnitude and direction of its acceleration.
a) 4.0ms−2 to the right
b) 0.10ms−2 to the right
c) 1.0ms−2 to the right
d) 1.0ms−2 to the left