By: @drwls
Answer:100*cos30*5 = 433 J
Explanation:
The mass doesn't matter when doing this calculation. It (and friction) will effect on the force required
Link explanation:
https://www.jiskha.com/questions/810412/a-100n-force-is-applied-at-an-angle-of-30-degrees-horizontal-to-move-a-15kg-object-at-a