Question

Calculate the work done in lifting 200 kg of water through a vertical height of 6 metres

(g = 10 m/s)
(A) 5000 J
(B) 12000 J
(C) 25000 J
(D) 15000 J​

Answer 1

• 
  `\bf\pink{(C)\:12000\:J}`

Step-by-step explanation:

Given :-

• 
  `\sf\red{Mass = 200 \ kg}`
• 
  `\sf\orange{Gravity = 10 \ m/s}`
• 
  `\sf\green{Height = 6 \ m}`

Need to find :-

• 
  `\sf\blue{Work \ done}`

Formula required :-

• 
  `\sf\purple{Work \ done = Mass * Gravity * Height}`

Solution :-

`\to\:\:\sf\red{Work \ done = Mass * Gravity * Height}`

`\to\:\:\sf\orange{Work \ done = 200 * 10 * 6}`

`\to\:\:\sf\green{Work \ done = 2000 * 6}`

`\to \:\ \sf\blue{ Work \ done = {\bf{\blue{1200\:J}}}}`

• Hence,
  `\bf\green{(B)}` is the correct option.