these are the questions which i cannot doplz help.1) A crane lifts a load weighing 2000 N (newton) through a vertical distance of 5 m (meter)What is the work done by the crane in lifting the load? 2) If a man pushes a van against a frictional force of 200 N over distance of 5 m, how much work does he do?
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Hello Fariha dear, you say that the above are home worksSo it will be nice to do them on your ownOf course you need some guidelines to solve themFor computing the work we have to use the formula W Force x displacement provided both force and displacement are in the same or opposite direction So Work 2000 x 5 10000 J For the second one, same way use the above said formulaPlug F 200 N and displacement 5 m You would get on your own.
