Home > categories > Machinery & Equipment > Gantry Cranes > Physics problem on work and energy (sort of easy)?
Question:

Physics problem on work and energy (sort of easy)?

A crane lifts a 2.25 x 10^3 N bucket containing 1.15 m3 of soil (density2.00 x 10^3 kg/m3) to a height of 7.50 mCalculate the work the crane performs.WP.t (work equals power multiplied by time)WF.d (work equals force multiplied by distance)Fm.a (force equals mass multiplied by acceleration)-m3meter cubed

Answer:

Yes you can fairly easily get 500 horse power from a 350The only question is how much can you spendAnd why would a S-10 need a 500 horse power engine the thing would never catch traction and would be sitting there spinning its wheels while a 4 banger escort passed it off the line.
A 500HP small block would cost you $4000+ to buildIt's another question if yours could be buildEverything, block, crank rods, heads, etc from a stock engine are not likely to be usable parts for a 500 horse engine.
exactly 3500.00i have a 385 (stroked 350) with just what youre looking for -with a fully built th350 trans too! well over 500 hpsince you have a small block in it now, this would be a bolt it with no mods -with the exception of the headersmaybe let me know if you'de like to save some moneyi have over 12000.00 in the whole thing.lots of high dollar parts !! yes-fast !!!!! its still in the car so you can even hear it run or go for a ride.! good luck with whatever you choose.
South has a pointYour stock block won't live long above 450 horse or so Best bet for a naturally aspirated 500 horse in a truck (you'll want driveability as well, I'd assume!) is to trade in the 350 block and go for sheer displacementDart makes an aftermarket block that can be punched out over 400 cubes - that's a good startThen, a big set of heads - maybe AFR, with a full port job That should get you there naturally aspiratedI'd say that, parts and labor necessary, you're looking at 6-8000 bucks or so for starters, but I haven't looked at the price for a good uber-stroke crank for the dart block lately - that might push you higher.
In this case the Force is simply the weight of the bucket and soil (in Newtons)Find the mass of the soil by multiplying the cubed meter given by the density2000kg/m3 1.15m3 2300kg Calculate the force (weight) of the soil by multiplying by gravity (~9.81m/s2) 2300kg 9.81m/s2 22563 N Add the two forces together22563N + 2250N 24813N The distance is given as 7.50m so: W Fd W 24813N 7.50m W 186097.5 Nm

Share to: