A force of 36 N does 405 J of work on a trolley.
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
A force of does of work on a trolley. The force acts along the movement. How far does the trolley move?
Need a reminder? The key ideaShow
Work when an object moves a distance along a steady force ; . The work is positive when the force is along the motion, negative when it is against it, and zero when it is at right angles or nothing moves.
The worked solution
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Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, compare your working with the solution.
Step 1. .
Answer: .
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