How much work is done lifting a weight of 600 newtons a height of 3 meters?

I have a test tommorw and i need the formula of how to do this? And also please make it easy to read for a 13 year old.Also if you have time can you answer me this questionA crane lifts a load of 4,000 newtons a height of 10 mHow much work is done against gravity?

Answer:

Work force × distance moved Assuming you are lifting at a constant speed, the upward force you exert is equal to the object's weight, so: Work weight × distance The distance is just how far you lift itSo: Work weight × height In the first problem: Work (600N)×(3m) 1800 Newton-meters (also called 1800 Joules) In the 2nd problem: Work (4000N)×(10m) 40,000 Newton-meters (40,000 Joules).

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