Answer:
(a) \[W=F\times S=mgh=60\times 10\times 6=36000\,\,J\] [since\[h=30\times 20=600\,\,cm=6cm\]] (b) \[P=\frac{w}{t}=\frac{36000}{40}=90\,w\] (c) 1HP = 746 watt ? - 90 watt \[P=\frac{90\times 1}{746}=0.1206\,\,hp\]
You need to login to perform this action.
You will be redirected in
3 sec