Your "moving at 1.5 m/s^2" implies an acceleration. Ideally, no work would be rewquired to keep it moving at constant velocity.
The accelerating force required is
F = ma = 180 N. Multiply that by the distance moved to get the required work.
A 120 kg crate on a flatbed truck is moving at 1.5 m/s2 for 65 m. What is the total work done on the crate if it's sitting horizontally at an angle of 0 degrees?
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